Home / 387,175.41-534,335.18-226,081.89

Finding the Fourth Proportional to 387,175.41, 534,335.18 and 226,081.89

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Solution

The fourth proportional to 387,175.41, 534,335.18 and 226,081.89 is: 312,012.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,175.41 : 534,335.18 = 226,081.89 : x
  2. Step 2: Convert to fraction form
    387,175.41/534,335.18 = 226,081.89/x
  3. Step 3: Cross multiply
    387,175.41x = 534,335.18 × 226,081.89
  4. Step 4: Simplify right side
    387,175.41x = 120,803,506,257.48
  5. Step 5: Solve for x
    x = 120,803,506,257.48/387,175.41
  6. Step 6: Final answer
    x = 312,012.34

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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.