Home / 127,088.90-190,601.28-52,229.71

Finding the Fourth Proportional to 127,088.90, 190,601.28 and 52,229.71

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Solution

The fourth proportional to 127,088.90, 190,601.28 and 52,229.71 is: 78,331.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,088.90 : 190,601.28 = 52,229.71 : x
  2. Step 2: Convert to fraction form
    127,088.90/190,601.28 = 52,229.71/x
  3. Step 3: Cross multiply
    127,088.90x = 190,601.28 × 52,229.71
  4. Step 4: Simplify right side
    127,088.90x = 9,955,049,580.03
  5. Step 5: Solve for x
    x = 9,955,049,580.03/127,088.90
  6. Step 6: Final answer
    x = 78,331.39

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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.