Home / 226,403.85-312,444.80-124,432.92

Finding the Fourth Proportional to 226,403.85, 312,444.80 and 124,432.92

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Solution

The fourth proportional to 226,403.85, 312,444.80 and 124,432.92 is: 171,721.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,403.85 : 312,444.80 = 124,432.92 : x
  2. Step 2: Convert to fraction form
    226,403.85/312,444.80 = 124,432.92/x
  3. Step 3: Cross multiply
    226,403.85x = 312,444.80 × 124,432.92
  4. Step 4: Simplify right side
    226,403.85x = 38,878,418,802.82
  5. Step 5: Solve for x
    x = 38,878,418,802.82/226,403.85
  6. Step 6: Final answer
    x = 171,721.54

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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.