Home / 127,831.05-191,746.52-34,336.80

Finding the Fourth Proportional to 127,831.05, 191,746.52 and 34,336.80

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Solution

The fourth proportional to 127,831.05, 191,746.52 and 34,336.80 is: 51,505.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,831.05 : 191,746.52 = 34,336.80 : x
  2. Step 2: Convert to fraction form
    127,831.05/191,746.52 = 34,336.80/x
  3. Step 3: Cross multiply
    127,831.05x = 191,746.52 × 34,336.80
  4. Step 4: Simplify right side
    127,831.05x = 6,583,961,907.94
  5. Step 5: Solve for x
    x = 6,583,961,907.94/127,831.05
  6. Step 6: Final answer
    x = 51,505.19

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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.