Home / 132,808.17-183,269.91-72,377.55

Finding the Fourth Proportional to 132,808.17, 183,269.91 and 72,377.55

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Solution

The fourth proportional to 132,808.17, 183,269.91 and 72,377.55 is: 99,878.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,808.17 : 183,269.91 = 72,377.55 : x
  2. Step 2: Convert to fraction form
    132,808.17/183,269.91 = 72,377.55/x
  3. Step 3: Cross multiply
    132,808.17x = 183,269.91 × 72,377.55
  4. Step 4: Simplify right side
    132,808.17x = 13,264,627,074.52
  5. Step 5: Solve for x
    x = 13,264,627,074.52/132,808.17
  6. Step 6: Final answer
    x = 99,878.10

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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.