Home / 261,854.02-361,389.36-147,132.91

Finding the Fourth Proportional to 261,854.02, 361,389.36 and 147,132.91

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Solution

The fourth proportional to 261,854.02, 361,389.36 and 147,132.91 is: 203,060.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,854.02 : 361,389.36 = 147,132.91 : x
  2. Step 2: Convert to fraction form
    261,854.02/361,389.36 = 147,132.91/x
  3. Step 3: Cross multiply
    261,854.02x = 361,389.36 × 147,132.91
  4. Step 4: Simplify right side
    261,854.02x = 53,172,268,179.84
  5. Step 5: Solve for x
    x = 53,172,268,179.84/261,854.02
  6. Step 6: Final answer
    x = 203,060.73

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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.