Home / 122,678.97-184,018.23-38,445.59

Finding the Fourth Proportional to 122,678.97, 184,018.23 and 38,445.59

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Solution

The fourth proportional to 122,678.97, 184,018.23 and 38,445.59 is: 57,668.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,678.97 : 184,018.23 = 38,445.59 : x
  2. Step 2: Convert to fraction form
    122,678.97/184,018.23 = 38,445.59/x
  3. Step 3: Cross multiply
    122,678.97x = 184,018.23 × 38,445.59
  4. Step 4: Simplify right side
    122,678.97x = 7,074,689,423.11
  5. Step 5: Solve for x
    x = 7,074,689,423.11/122,678.97
  6. Step 6: Final answer
    x = 57,668.31

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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.