Home / 238,332.47-358,787.19-217,121.51

Finding the Fourth Proportional to 238,332.47, 358,787.19 and 217,121.51

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Solution

The fourth proportional to 238,332.47, 358,787.19 and 217,121.51 is: 326,856.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,332.47 : 358,787.19 = 217,121.51 : x
  2. Step 2: Convert to fraction form
    238,332.47/358,787.19 = 217,121.51/x
  3. Step 3: Cross multiply
    238,332.47x = 358,787.19 × 217,121.51
  4. Step 4: Simplify right side
    238,332.47x = 77,900,414,667.52
  5. Step 5: Solve for x
    x = 77,900,414,667.52/238,332.47
  6. Step 6: Final answer
    x = 326,856.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.