Home / 156,702.40-235,053.60-133,082.80

Finding the Fourth Proportional to 156,702.40, 235,053.60 and 133,082.80

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Solution

The fourth proportional to 156,702.40, 235,053.60 and 133,082.80 is: 199,624.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,702.40 : 235,053.60 = 133,082.80 : x
  2. Step 2: Convert to fraction form
    156,702.40/235,053.60 = 133,082.80/x
  3. Step 3: Cross multiply
    156,702.40x = 235,053.60 × 133,082.80
  4. Step 4: Simplify right side
    156,702.40x = 31,281,591,238.08
  5. Step 5: Solve for x
    x = 31,281,591,238.08/156,702.40
  6. Step 6: Final answer
    x = 199,624.20

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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.