Home / 123,514.08-170,449.46-66,925.45

Finding the Fourth Proportional to 123,514.08, 170,449.46 and 66,925.45

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Solution

The fourth proportional to 123,514.08, 170,449.46 and 66,925.45 is: 92,357.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,514.08 : 170,449.46 = 66,925.45 : x
  2. Step 2: Convert to fraction form
    123,514.08/170,449.46 = 66,925.45/x
  3. Step 3: Cross multiply
    123,514.08x = 170,449.46 × 66,925.45
  4. Step 4: Simplify right side
    123,514.08x = 11,407,406,812.76
  5. Step 5: Solve for x
    x = 11,407,406,812.76/123,514.08
  6. Step 6: Final answer
    x = 92,357.14

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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.