Home / 132,752.12-199,024.52-90,527.52

Finding the Fourth Proportional to 132,752.12, 199,024.52 and 90,527.52

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Solution

The fourth proportional to 132,752.12, 199,024.52 and 90,527.52 is: 135,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,752.12 : 199,024.52 = 90,527.52 : x
  2. Step 2: Convert to fraction form
    132,752.12/199,024.52 = 90,527.52/x
  3. Step 3: Cross multiply
    132,752.12x = 199,024.52 × 90,527.52
  4. Step 4: Simplify right side
    132,752.12x = 18,017,196,763.10
  5. Step 5: Solve for x
    x = 18,017,196,763.10/132,752.12
  6. Step 6: Final answer
    x = 135,720.60

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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.