Home / 307,868.28-424,929.06-180,584.88

Finding the Fourth Proportional to 307,868.28, 424,929.06 and 180,584.88

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Solution

The fourth proportional to 307,868.28, 424,929.06 and 180,584.88 is: 249,248.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,868.28 : 424,929.06 = 180,584.88 : x
  2. Step 2: Convert to fraction form
    307,868.28/424,929.06 = 180,584.88/x
  3. Step 3: Cross multiply
    307,868.28x = 424,929.06 × 180,584.88
  4. Step 4: Simplify right side
    307,868.28x = 76,735,763,308.61
  5. Step 5: Solve for x
    x = 76,735,763,308.61/307,868.28
  6. Step 6: Final answer
    x = 249,248.68

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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.