Home / 132,855.80-183,342.08-72,426.76

Finding the Fourth Proportional to 132,855.80, 183,342.08 and 72,426.76

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Solution

The fourth proportional to 132,855.80, 183,342.08 and 72,426.76 is: 99,949.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,855.80 : 183,342.08 = 72,426.76 : x
  2. Step 2: Convert to fraction form
    132,855.80/183,342.08 = 72,426.76/x
  3. Step 3: Cross multiply
    132,855.80x = 183,342.08 × 72,426.76
  4. Step 4: Simplify right side
    132,855.80x = 13,278,872,548.77
  5. Step 5: Solve for x
    x = 13,278,872,548.77/132,855.80
  6. Step 6: Final answer
    x = 99,949.52

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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.