Home / 342,127.04-472,123.40-187,081.96

Finding the Fourth Proportional to 342,127.04, 472,123.40 and 187,081.96

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Solution

The fourth proportional to 342,127.04, 472,123.40 and 187,081.96 is: 258,166.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,127.04 : 472,123.40 = 187,081.96 : x
  2. Step 2: Convert to fraction form
    342,127.04/472,123.40 = 187,081.96/x
  3. Step 3: Cross multiply
    342,127.04x = 472,123.40 × 187,081.96
  4. Step 4: Simplify right side
    342,127.04x = 88,325,771,033.86
  5. Step 5: Solve for x
    x = 88,325,771,033.86/342,127.04
  6. Step 6: Final answer
    x = 258,166.59

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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.