Home / 151,220.52-208,681.11-83,233.98

Finding the Fourth Proportional to 151,220.52, 208,681.11 and 83,233.98

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Solution

The fourth proportional to 151,220.52, 208,681.11 and 83,233.98 is: 114,861.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,220.52 : 208,681.11 = 83,233.98 : x
  2. Step 2: Convert to fraction form
    151,220.52/208,681.11 = 83,233.98/x
  3. Step 3: Cross multiply
    151,220.52x = 208,681.11 × 83,233.98
  4. Step 4: Simplify right side
    151,220.52x = 17,369,359,336.12
  5. Step 5: Solve for x
    x = 17,369,359,336.12/151,220.52
  6. Step 6: Final answer
    x = 114,861.13

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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.