Home / 226,353.76-312,368.10-124,385.79

Finding the Fourth Proportional to 226,353.76, 312,368.10 and 124,385.79

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Solution

The fourth proportional to 226,353.76, 312,368.10 and 124,385.79 is: 171,652.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,353.76 : 312,368.10 = 124,385.79 : x
  2. Step 2: Convert to fraction form
    226,353.76/312,368.10 = 124,385.79/x
  3. Step 3: Cross multiply
    226,353.76x = 312,368.10 × 124,385.79
  4. Step 4: Simplify right side
    226,353.76x = 38,854,150,705.53
  5. Step 5: Solve for x
    x = 38,854,150,705.53/226,353.76
  6. Step 6: Final answer
    x = 171,652.34

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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.