Home / 132,868.08-183,335.40-76,278.24

Finding the Fourth Proportional to 132,868.08, 183,335.40 and 76,278.24

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Solution

The fourth proportional to 132,868.08, 183,335.40 and 76,278.24 is: 105,251.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,868.08 : 183,335.40 = 76,278.24 : x
  2. Step 2: Convert to fraction form
    132,868.08/183,335.40 = 76,278.24/x
  3. Step 3: Cross multiply
    132,868.08x = 183,335.40 × 76,278.24
  4. Step 4: Simplify right side
    132,868.08x = 13,984,501,641.70
  5. Step 5: Solve for x
    x = 13,984,501,641.70/132,868.08
  6. Step 6: Final answer
    x = 105,251.03

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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.