Home / 156,699.30-235,048.95-38,371.80

Finding the Fourth Proportional to 156,699.30, 235,048.95 and 38,371.80

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Solution

The fourth proportional to 156,699.30, 235,048.95 and 38,371.80 is: 57,557.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,699.30 : 235,048.95 = 38,371.80 : x
  2. Step 2: Convert to fraction form
    156,699.30/235,048.95 = 38,371.80/x
  3. Step 3: Cross multiply
    156,699.30x = 235,048.95 × 38,371.80
  4. Step 4: Simplify right side
    156,699.30x = 9,019,251,299.61
  5. Step 5: Solve for x
    x = 9,019,251,299.61/156,699.30
  6. Step 6: Final answer
    x = 57,557.70

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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.