Home / 123,063.10-184,594.65-115,287.10

Finding the Fourth Proportional to 123,063.10, 184,594.65 and 115,287.10

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Solution

The fourth proportional to 123,063.10, 184,594.65 and 115,287.10 is: 172,930.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,063.10 : 184,594.65 = 115,287.10 : x
  2. Step 2: Convert to fraction form
    123,063.10/184,594.65 = 115,287.10/x
  3. Step 3: Cross multiply
    123,063.10x = 184,594.65 × 115,287.10
  4. Step 4: Simplify right side
    123,063.10x = 21,281,381,874.02
  5. Step 5: Solve for x
    x = 21,281,381,874.02/123,063.10
  6. Step 6: Final answer
    x = 172,930.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.