Home / 180,765.28-249,456.09-100,204.93

Finding the Fourth Proportional to 180,765.28, 249,456.09 and 100,204.93

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Solution

The fourth proportional to 180,765.28, 249,456.09 and 100,204.93 is: 138,282.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,765.28 : 249,456.09 = 100,204.93 : x
  2. Step 2: Convert to fraction form
    180,765.28/249,456.09 = 100,204.93/x
  3. Step 3: Cross multiply
    180,765.28x = 249,456.09 × 100,204.93
  4. Step 4: Simplify right side
    180,765.28x = 24,996,730,036.52
  5. Step 5: Solve for x
    x = 24,996,730,036.52/180,765.28
  6. Step 6: Final answer
    x = 138,282.81

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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.