Home / 113,442.08-156,548.52-63,141.08

Finding the Fourth Proportional to 113,442.08, 156,548.52 and 63,141.08

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Solution

The fourth proportional to 113,442.08, 156,548.52 and 63,141.08 is: 87,133.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,442.08 : 156,548.52 = 63,141.08 : x
  2. Step 2: Convert to fraction form
    113,442.08/156,548.52 = 63,141.08/x
  3. Step 3: Cross multiply
    113,442.08x = 156,548.52 × 63,141.08
  4. Step 4: Simplify right side
    113,442.08x = 9,884,642,625.20
  5. Step 5: Solve for x
    x = 9,884,642,625.20/113,442.08
  6. Step 6: Final answer
    x = 87,133.83

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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.