Home / 245,125.17-338,304.33-137,695.17

Finding the Fourth Proportional to 245,125.17, 338,304.33 and 137,695.17

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Solution

The fourth proportional to 245,125.17, 338,304.33 and 137,695.17 is: 190,037.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,125.17 : 338,304.33 = 137,695.17 : x
  2. Step 2: Convert to fraction form
    245,125.17/338,304.33 = 137,695.17/x
  3. Step 3: Cross multiply
    245,125.17x = 338,304.33 × 137,695.17
  4. Step 4: Simplify right side
    245,125.17x = 46,582,872,231.09
  5. Step 5: Solve for x
    x = 46,582,872,231.09/245,125.17
  6. Step 6: Final answer
    x = 190,037.08

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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.