Home / 123,548.48-170,426.40-73,229.12

Finding the Fourth Proportional to 123,548.48, 170,426.40 and 73,229.12

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Solution

The fourth proportional to 123,548.48, 170,426.40 and 73,229.12 is: 101,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,548.48 : 170,426.40 = 73,229.12 : x
  2. Step 2: Convert to fraction form
    123,548.48/170,426.40 = 73,229.12/x
  3. Step 3: Cross multiply
    123,548.48x = 170,426.40 × 73,229.12
  4. Step 4: Simplify right side
    123,548.48x = 12,480,175,296.77
  5. Step 5: Solve for x
    x = 12,480,175,296.77/123,548.48
  6. Step 6: Final answer
    x = 101,014.40

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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.