Home / 215,925.40-323,657.70-82,754.20

Finding the Fourth Proportional to 215,925.40, 323,657.70 and 82,754.20

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Solution

The fourth proportional to 215,925.40, 323,657.70 and 82,754.20 is: 124,043.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,925.40 : 323,657.70 = 82,754.20 : x
  2. Step 2: Convert to fraction form
    215,925.40/323,657.70 = 82,754.20/x
  3. Step 3: Cross multiply
    215,925.40x = 323,657.70 × 82,754.20
  4. Step 4: Simplify right side
    215,925.40x = 26,784,034,037.34
  5. Step 5: Solve for x
    x = 26,784,034,037.34/215,925.40
  6. Step 6: Final answer
    x = 124,043.00

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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.