Home / 152,472.90-210,275.52-98,701.86

Finding the Fourth Proportional to 152,472.90, 210,275.52 and 98,701.86

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Solution

The fourth proportional to 152,472.90, 210,275.52 and 98,701.86 is: 136,119.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,472.90 : 210,275.52 = 98,701.86 : x
  2. Step 2: Convert to fraction form
    152,472.90/210,275.52 = 98,701.86/x
  3. Step 3: Cross multiply
    152,472.90x = 210,275.52 × 98,701.86
  4. Step 4: Simplify right side
    152,472.90x = 20,754,584,936.47
  5. Step 5: Solve for x
    x = 20,754,584,936.47/152,472.90
  6. Step 6: Final answer
    x = 136,119.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.