Home / 238,328.39-358,781.04-217,117.42

Finding the Fourth Proportional to 238,328.39, 358,781.04 and 217,117.42

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Solution

The fourth proportional to 238,328.39, 358,781.04 and 217,117.42 is: 326,849.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,328.39 : 358,781.04 = 217,117.42 : x
  2. Step 2: Convert to fraction form
    238,328.39/358,781.04 = 217,117.42/x
  3. Step 3: Cross multiply
    238,328.39x = 358,781.04 × 217,117.42
  4. Step 4: Simplify right side
    238,328.39x = 77,897,612,852.76
  5. Step 5: Solve for x
    x = 77,897,612,852.76/238,328.39
  6. Step 6: Final answer
    x = 326,849.91

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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.