Home / 156,955.40-235,433.10-38,625.80

Finding the Fourth Proportional to 156,955.40, 235,433.10 and 38,625.80

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Solution

The fourth proportional to 156,955.40, 235,433.10 and 38,625.80 is: 57,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,955.40 : 235,433.10 = 38,625.80 : x
  2. Step 2: Convert to fraction form
    156,955.40/235,433.10 = 38,625.80/x
  3. Step 3: Cross multiply
    156,955.40x = 235,433.10 × 38,625.80
  4. Step 4: Simplify right side
    156,955.40x = 9,093,791,833.98
  5. Step 5: Solve for x
    x = 9,093,791,833.98/156,955.40
  6. Step 6: Final answer
    x = 57,938.70

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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.