Home / 123,028.04-169,794.16-69,325.86

Finding the Fourth Proportional to 123,028.04, 169,794.16 and 69,325.86

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Solution

The fourth proportional to 123,028.04, 169,794.16 and 69,325.86 is: 95,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,028.04 : 169,794.16 = 69,325.86 : x
  2. Step 2: Convert to fraction form
    123,028.04/169,794.16 = 69,325.86/x
  3. Step 3: Cross multiply
    123,028.04x = 169,794.16 × 69,325.86
  4. Step 4: Simplify right side
    123,028.04x = 11,771,126,164.98
  5. Step 5: Solve for x
    x = 11,771,126,164.98/123,028.04
  6. Step 6: Final answer
    x = 95,678.40

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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.