Home / 123,302.61-170,157.24-69,587.46

Finding the Fourth Proportional to 123,302.61, 170,157.24 and 69,587.46

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Solution

The fourth proportional to 123,302.61, 170,157.24 and 69,587.46 is: 96,030.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,302.61 : 170,157.24 = 69,587.46 : x
  2. Step 2: Convert to fraction form
    123,302.61/170,157.24 = 69,587.46/x
  3. Step 3: Cross multiply
    123,302.61x = 170,157.24 × 69,587.46
  4. Step 4: Simplify right side
    123,302.61x = 11,840,810,132.21
  5. Step 5: Solve for x
    x = 11,840,810,132.21/123,302.61
  6. Step 6: Final answer
    x = 96,030.49

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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.