Home / 156,248.87-234,384.30-77,341.91

Finding the Fourth Proportional to 156,248.87, 234,384.30 and 77,341.91

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Solution

The fourth proportional to 156,248.87, 234,384.30 and 77,341.91 is: 116,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,248.87 : 234,384.30 = 77,341.91 : x
  2. Step 2: Convert to fraction form
    156,248.87/234,384.30 = 77,341.91/x
  3. Step 3: Cross multiply
    156,248.87x = 234,384.30 × 77,341.91
  4. Step 4: Simplify right side
    156,248.87x = 18,127,728,264.09
  5. Step 5: Solve for x
    x = 18,127,728,264.09/156,248.87
  6. Step 6: Final answer
    x = 116,018.30

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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.