Home / 308,148.96-425,248.38-180,826.68

Finding the Fourth Proportional to 308,148.96, 425,248.38 and 180,826.68

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Solution

The fourth proportional to 308,148.96, 425,248.38 and 180,826.68 is: 249,542.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,148.96 : 425,248.38 = 180,826.68 : x
  2. Step 2: Convert to fraction form
    308,148.96/425,248.38 = 180,826.68/x
  3. Step 3: Cross multiply
    308,148.96x = 425,248.38 × 180,826.68
  4. Step 4: Simplify right side
    308,148.96x = 76,896,252,730.78
  5. Step 5: Solve for x
    x = 76,896,252,730.78/308,148.96
  6. Step 6: Final answer
    x = 249,542.47

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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.