Home / 127,831.16-191,746.74-39,084.67

Finding the Fourth Proportional to 127,831.16, 191,746.74 and 39,084.67

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Solution

The fourth proportional to 127,831.16, 191,746.74 and 39,084.67 is: 58,627.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,831.16 : 191,746.74 = 39,084.67 : x
  2. Step 2: Convert to fraction form
    127,831.16/191,746.74 = 39,084.67/x
  3. Step 3: Cross multiply
    127,831.16x = 191,746.74 × 39,084.67
  4. Step 4: Simplify right side
    127,831.16x = 7,494,357,097.74
  5. Step 5: Solve for x
    x = 7,494,357,097.74/127,831.16
  6. Step 6: Final answer
    x = 58,627.00

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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.