Home / 226,142.61-312,082.74-124,174.64

Finding the Fourth Proportional to 226,142.61, 312,082.74 and 124,174.64

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Solution

The fourth proportional to 226,142.61, 312,082.74 and 124,174.64 is: 171,364.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,142.61 : 312,082.74 = 124,174.64 : x
  2. Step 2: Convert to fraction form
    226,142.61/312,082.74 = 124,174.64/x
  3. Step 3: Cross multiply
    226,142.61x = 312,082.74 × 124,174.64
  4. Step 4: Simplify right side
    226,142.61x = 38,752,761,889.71
  5. Step 5: Solve for x
    x = 38,752,761,889.71/226,142.61
  6. Step 6: Final answer
    x = 171,364.26

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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.