Home / 113,520.04-156,656.10-63,219.40

Finding the Fourth Proportional to 113,520.04, 156,656.10 and 63,219.40

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Solution

The fourth proportional to 113,520.04, 156,656.10 and 63,219.40 is: 87,241.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,520.04 : 156,656.10 = 63,219.40 : x
  2. Step 2: Convert to fraction form
    113,520.04/156,656.10 = 63,219.40/x
  3. Step 3: Cross multiply
    113,520.04x = 156,656.10 × 63,219.40
  4. Step 4: Simplify right side
    113,520.04x = 9,903,704,648.34
  5. Step 5: Solve for x
    x = 9,903,704,648.34/113,520.04
  6. Step 6: Final answer
    x = 87,241.91

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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.