Home / 108,340.86-149,505.80-63,018.92

Finding the Fourth Proportional to 108,340.86, 149,505.80 and 63,018.92

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Solution

The fourth proportional to 108,340.86, 149,505.80 and 63,018.92 is: 86,963.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,340.86 : 149,505.80 = 63,018.92 : x
  2. Step 2: Convert to fraction form
    108,340.86/149,505.80 = 63,018.92/x
  3. Step 3: Cross multiply
    108,340.86x = 149,505.80 × 63,018.92
  4. Step 4: Simplify right side
    108,340.86x = 9,421,694,049.74
  5. Step 5: Solve for x
    x = 9,421,694,049.74/108,340.86
  6. Step 6: Final answer
    x = 86,963.44

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1.5x scale

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.