Home / 156,839.60-235,259.40-155,964.80

Finding the Fourth Proportional to 156,839.60, 235,259.40 and 155,964.80

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Solution

The fourth proportional to 156,839.60, 235,259.40 and 155,964.80 is: 233,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,839.60 : 235,259.40 = 155,964.80 : x
  2. Step 2: Convert to fraction form
    156,839.60/235,259.40 = 155,964.80/x
  3. Step 3: Cross multiply
    156,839.60x = 235,259.40 × 155,964.80
  4. Step 4: Simplify right side
    156,839.60x = 36,692,185,269.12
  5. Step 5: Solve for x
    x = 36,692,185,269.12/156,839.60
  6. Step 6: Final answer
    x = 233,947.20

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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.