Home / 185,605.04-256,134.83-105,031.10

Finding the Fourth Proportional to 185,605.04, 256,134.83 and 105,031.10

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Solution

The fourth proportional to 185,605.04, 256,134.83 and 105,031.10 is: 144,942.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,605.04 : 256,134.83 = 105,031.10 : x
  2. Step 2: Convert to fraction form
    185,605.04/256,134.83 = 105,031.10/x
  3. Step 3: Cross multiply
    185,605.04x = 256,134.83 × 105,031.10
  4. Step 4: Simplify right side
    185,605.04x = 26,902,123,058.39
  5. Step 5: Solve for x
    x = 26,902,123,058.39/185,605.04
  6. Step 6: Final answer
    x = 144,942.85

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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.