Home / 156,931.40-235,454.70-63,446.60

Finding the Fourth Proportional to 156,931.40, 235,454.70 and 63,446.60

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Solution

The fourth proportional to 156,931.40, 235,454.70 and 63,446.60 is: 95,193.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,931.40 : 235,454.70 = 63,446.60 : x
  2. Step 2: Convert to fraction form
    156,931.40/235,454.70 = 63,446.60/x
  3. Step 3: Cross multiply
    156,931.40x = 235,454.70 × 63,446.60
  4. Step 4: Simplify right side
    156,931.40x = 14,938,800,169.02
  5. Step 5: Solve for x
    x = 14,938,800,169.02/156,931.40
  6. Step 6: Final answer
    x = 95,193.19

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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.