Home / 205,810.04-284,008.20-115,177.52

Finding the Fourth Proportional to 205,810.04, 284,008.20 and 115,177.52

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Solution

The fourth proportional to 205,810.04, 284,008.20 and 115,177.52 is: 158,939.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,810.04 : 284,008.20 = 115,177.52 : x
  2. Step 2: Convert to fraction form
    205,810.04/284,008.20 = 115,177.52/x
  3. Step 3: Cross multiply
    205,810.04x = 284,008.20 × 115,177.52
  4. Step 4: Simplify right side
    205,810.04x = 32,711,360,135.66
  5. Step 5: Solve for x
    x = 32,711,360,135.66/205,810.04
  6. Step 6: Final answer
    x = 158,939.57

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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.