Home / 266,300.43-367,445.51-157,422.33

Finding the Fourth Proportional to 266,300.43, 367,445.51 and 157,422.33

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Solution

The fourth proportional to 266,300.43, 367,445.51 and 157,422.33 is: 217,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,300.43 : 367,445.51 = 157,422.33 : x
  2. Step 2: Convert to fraction form
    266,300.43/367,445.51 = 157,422.33/x
  3. Step 3: Cross multiply
    266,300.43x = 367,445.51 × 157,422.33
  4. Step 4: Simplify right side
    266,300.43x = 57,844,127,545.13
  5. Step 5: Solve for x
    x = 57,844,127,545.13/266,300.43
  6. Step 6: Final answer
    x = 217,213.80

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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.