Home / 156,861.36-235,306.62-51,681.24

Finding the Fourth Proportional to 156,861.36, 235,306.62 and 51,681.24

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Solution

The fourth proportional to 156,861.36, 235,306.62 and 51,681.24 is: 77,526.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,861.36 : 235,306.62 = 51,681.24 : x
  2. Step 2: Convert to fraction form
    156,861.36/235,306.62 = 51,681.24/x
  3. Step 3: Cross multiply
    156,861.36x = 235,306.62 × 51,681.24
  4. Step 4: Simplify right side
    156,861.36x = 12,160,937,901.81
  5. Step 5: Solve for x
    x = 12,160,937,901.81/156,861.36
  6. Step 6: Final answer
    x = 77,526.66

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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.