Home / 132,160.02-182,378.95-71,729.11

Finding the Fourth Proportional to 132,160.02, 182,378.95 and 71,729.11

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Solution

The fourth proportional to 132,160.02, 182,378.95 and 71,729.11 is: 98,985.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,160.02 : 182,378.95 = 71,729.11 : x
  2. Step 2: Convert to fraction form
    132,160.02/182,378.95 = 71,729.11/x
  3. Step 3: Cross multiply
    132,160.02x = 182,378.95 × 71,729.11
  4. Step 4: Simplify right side
    132,160.02x = 13,081,879,760.15
  5. Step 5: Solve for x
    x = 13,081,879,760.15/132,160.02
  6. Step 6: Final answer
    x = 98,985.15

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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.