Home / 113,476.32-156,579.12-63,165.60

Finding the Fourth Proportional to 113,476.32, 156,579.12 and 63,165.60

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Solution

The fourth proportional to 113,476.32, 156,579.12 and 63,165.60 is: 87,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,476.32 : 156,579.12 = 63,165.60 : x
  2. Step 2: Convert to fraction form
    113,476.32/156,579.12 = 63,165.60/x
  3. Step 3: Cross multiply
    113,476.32x = 156,579.12 × 63,165.60
  4. Step 4: Simplify right side
    113,476.32x = 9,890,414,062.27
  5. Step 5: Solve for x
    x = 9,890,414,062.27/113,476.32
  6. Step 6: Final answer
    x = 87,158.40

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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.