Home / 156,789.60-235,184.40-155,914.80

Finding the Fourth Proportional to 156,789.60, 235,184.40 and 155,914.80

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Solution

The fourth proportional to 156,789.60, 235,184.40 and 155,914.80 is: 233,872.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,789.60 : 235,184.40 = 155,914.80 : x
  2. Step 2: Convert to fraction form
    156,789.60/235,184.40 = 155,914.80/x
  3. Step 3: Cross multiply
    156,789.60x = 235,184.40 × 155,914.80
  4. Step 4: Simplify right side
    156,789.60x = 36,668,728,689.12
  5. Step 5: Solve for x
    x = 36,668,728,689.12/156,789.60
  6. Step 6: Final answer
    x = 233,872.20

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1.5x scale

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.