Home / 657,146.88-985,721.40-158,510.88

Finding the Fourth Proportional to 657,146.88, 985,721.40 and 158,510.88

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Solution

The fourth proportional to 657,146.88, 985,721.40 and 158,510.88 is: 237,766.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,146.88 : 985,721.40 = 158,510.88 : x
  2. Step 2: Convert to fraction form
    657,146.88/985,721.40 = 158,510.88/x
  3. Step 3: Cross multiply
    657,146.88x = 985,721.40 × 158,510.88
  4. Step 4: Simplify right side
    657,146.88x = 156,247,566,548.83
  5. Step 5: Solve for x
    x = 156,247,566,548.83/657,146.88
  6. Step 6: Final answer
    x = 237,766.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.