Home / 220,426.92-304,192.67-124,931.57

Finding the Fourth Proportional to 220,426.92, 304,192.67 and 124,931.57

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Solution

The fourth proportional to 220,426.92, 304,192.67 and 124,931.57 is: 172,407.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,426.92 : 304,192.67 = 124,931.57 : x
  2. Step 2: Convert to fraction form
    220,426.92/304,192.67 = 124,931.57/x
  3. Step 3: Cross multiply
    220,426.92x = 304,192.67 × 124,931.57
  4. Step 4: Simplify right side
    220,426.92x = 38,003,265,699.97
  5. Step 5: Solve for x
    x = 38,003,265,699.97/220,426.92
  6. Step 6: Final answer
    x = 172,407.55

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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.