Home / 123,465.42-170,378.28-69,016.14

Finding the Fourth Proportional to 123,465.42, 170,378.28 and 69,016.14

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Solution

The fourth proportional to 123,465.42, 170,378.28 and 69,016.14 is: 95,240.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,465.42 : 170,378.28 = 69,016.14 : x
  2. Step 2: Convert to fraction form
    123,465.42/170,378.28 = 69,016.14/x
  3. Step 3: Cross multiply
    123,465.42x = 170,378.28 × 69,016.14
  4. Step 4: Simplify right side
    123,465.42x = 11,758,851,225.44
  5. Step 5: Solve for x
    x = 11,758,851,225.44/123,465.42
  6. Step 6: Final answer
    x = 95,240.04

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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.