Home / 127,001.28-190,538.91-56,864.19

Finding the Fourth Proportional to 127,001.28, 190,538.91 and 56,864.19

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Solution

The fourth proportional to 127,001.28, 190,538.91 and 56,864.19 is: 85,312.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,001.28 : 190,538.91 = 56,864.19 : x
  2. Step 2: Convert to fraction form
    127,001.28/190,538.91 = 56,864.19/x
  3. Step 3: Cross multiply
    127,001.28x = 190,538.91 × 56,864.19
  4. Step 4: Simplify right side
    127,001.28x = 10,834,840,780.63
  5. Step 5: Solve for x
    x = 10,834,840,780.63/127,001.28
  6. Step 6: Final answer
    x = 85,312.85

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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.