Home / 93,422.20-140,133.30-86,205.10

Finding the Fourth Proportional to 93,422.20, 140,133.30 and 86,205.10

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Solution

The fourth proportional to 93,422.20, 140,133.30 and 86,205.10 is: 129,307.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,422.20 : 140,133.30 = 86,205.10 : x
  2. Step 2: Convert to fraction form
    93,422.20/140,133.30 = 86,205.10/x
  3. Step 3: Cross multiply
    93,422.20x = 140,133.30 × 86,205.10
  4. Step 4: Simplify right side
    93,422.20x = 12,080,205,139.83
  5. Step 5: Solve for x
    x = 12,080,205,139.83/93,422.20
  6. Step 6: Final answer
    x = 129,307.65

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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.