Home / 152,615.28-210,603.24-84,635.04

Finding the Fourth Proportional to 152,615.28, 210,603.24 and 84,635.04

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Solution

The fourth proportional to 152,615.28, 210,603.24 and 84,635.04 is: 116,793.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,615.28 : 210,603.24 = 84,635.04 : x
  2. Step 2: Convert to fraction form
    152,615.28/210,603.24 = 84,635.04/x
  3. Step 3: Cross multiply
    152,615.28x = 210,603.24 × 84,635.04
  4. Step 4: Simplify right side
    152,615.28x = 17,824,413,641.53
  5. Step 5: Solve for x
    x = 17,824,413,641.53/152,615.28
  6. Step 6: Final answer
    x = 116,793.11

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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.