Home / 123,339.04-170,207.80-69,624.52

Finding the Fourth Proportional to 123,339.04, 170,207.80 and 69,624.52

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Solution

The fourth proportional to 123,339.04, 170,207.80 and 69,624.52 is: 96,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,339.04 : 170,207.80 = 69,624.52 : x
  2. Step 2: Convert to fraction form
    123,339.04/170,207.80 = 69,624.52/x
  3. Step 3: Cross multiply
    123,339.04x = 170,207.80 × 69,624.52
  4. Step 4: Simplify right side
    123,339.04x = 11,850,636,375.26
  5. Step 5: Solve for x
    x = 11,850,636,375.26/123,339.04
  6. Step 6: Final answer
    x = 96,081.80

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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.