Home / 132,373.56-182,702.08-78,648.23

Finding the Fourth Proportional to 132,373.56, 182,702.08 and 78,648.23

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Solution

The fourth proportional to 132,373.56, 182,702.08 and 78,648.23 is: 108,550.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,373.56 : 182,702.08 = 78,648.23 : x
  2. Step 2: Convert to fraction form
    132,373.56/182,702.08 = 78,648.23/x
  3. Step 3: Cross multiply
    132,373.56x = 182,702.08 × 78,648.23
  4. Step 4: Simplify right side
    132,373.56x = 14,369,195,209.32
  5. Step 5: Solve for x
    x = 14,369,195,209.32/132,373.56
  6. Step 6: Final answer
    x = 108,550.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.