Home / 127,831.04-191,746.55-39,084.54

Finding the Fourth Proportional to 127,831.04, 191,746.55 and 39,084.54

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Solution

The fourth proportional to 127,831.04, 191,746.55 and 39,084.54 is: 58,626.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,831.04 : 191,746.55 = 39,084.54 : x
  2. Step 2: Convert to fraction form
    127,831.04/191,746.55 = 39,084.54/x
  3. Step 3: Cross multiply
    127,831.04x = 191,746.55 × 39,084.54
  4. Step 4: Simplify right side
    127,831.04x = 7,494,325,801.05
  5. Step 5: Solve for x
    x = 7,494,325,801.05/127,831.04
  6. Step 6: Final answer
    x = 58,626.81

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.