Home / 239,875.04-331,028.76-132,445.28

Finding the Fourth Proportional to 239,875.04, 331,028.76 and 132,445.28

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Solution

The fourth proportional to 239,875.04, 331,028.76 and 132,445.28 is: 182,775.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,875.04 : 331,028.76 = 132,445.28 : x
  2. Step 2: Convert to fraction form
    239,875.04/331,028.76 = 132,445.28/x
  3. Step 3: Cross multiply
    239,875.04x = 331,028.76 × 132,445.28
  4. Step 4: Simplify right side
    239,875.04x = 43,843,196,806.25
  5. Step 5: Solve for x
    x = 43,843,196,806.25/239,875.04
  6. Step 6: Final answer
    x = 182,775.15

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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.