Home / 358,926.30-495,340.02-197,781.21

Finding the Fourth Proportional to 358,926.30, 495,340.02 and 197,781.21

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Solution

The fourth proportional to 358,926.30, 495,340.02 and 197,781.21 is: 272,950.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,926.30 : 495,340.02 = 197,781.21 : x
  2. Step 2: Convert to fraction form
    358,926.30/495,340.02 = 197,781.21/x
  3. Step 3: Cross multiply
    358,926.30x = 495,340.02 × 197,781.21
  4. Step 4: Simplify right side
    358,926.30x = 97,968,948,517.02
  5. Step 5: Solve for x
    x = 97,968,948,517.02/358,926.30
  6. Step 6: Final answer
    x = 272,950.04

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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.