Home / 219,646.02-329,344.20-86,454.10

Finding the Fourth Proportional to 219,646.02, 329,344.20 and 86,454.10

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Solution

The fourth proportional to 219,646.02, 329,344.20 and 86,454.10 is: 129,632.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,646.02 : 329,344.20 = 86,454.10 : x
  2. Step 2: Convert to fraction form
    219,646.02/329,344.20 = 86,454.10/x
  3. Step 3: Cross multiply
    219,646.02x = 329,344.20 × 86,454.10
  4. Step 4: Simplify right side
    219,646.02x = 28,473,156,401.22
  5. Step 5: Solve for x
    x = 28,473,156,401.22/219,646.02
  6. Step 6: Final answer
    x = 129,632.02

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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.