Home / 181,131.08-249,948.46-100,552.32

Finding the Fourth Proportional to 181,131.08, 249,948.46 and 100,552.32

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Solution

The fourth proportional to 181,131.08, 249,948.46 and 100,552.32 is: 138,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,131.08 : 249,948.46 = 100,552.32 : x
  2. Step 2: Convert to fraction form
    181,131.08/249,948.46 = 100,552.32/x
  3. Step 3: Cross multiply
    181,131.08x = 249,948.46 × 100,552.32
  4. Step 4: Simplify right side
    181,131.08x = 25,132,898,596.42
  5. Step 5: Solve for x
    x = 25,132,898,596.42/181,131.08
  6. Step 6: Final answer
    x = 138,755.30

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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.