Home / 127,011.18-190,516.82-38,264.70

Finding the Fourth Proportional to 127,011.18, 190,516.82 and 38,264.70

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Solution

The fourth proportional to 127,011.18, 190,516.82 and 38,264.70 is: 57,397.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,011.18 : 190,516.82 = 38,264.70 : x
  2. Step 2: Convert to fraction form
    127,011.18/190,516.82 = 38,264.70/x
  3. Step 3: Cross multiply
    127,011.18x = 190,516.82 × 38,264.70
  4. Step 4: Simplify right side
    127,011.18x = 7,290,068,962.25
  5. Step 5: Solve for x
    x = 7,290,068,962.25/127,011.18
  6. Step 6: Final answer
    x = 57,397.07

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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.