Home / 134,886.18-186,105.66-77,522.52

Finding the Fourth Proportional to 134,886.18, 186,105.66 and 77,522.52

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Solution

The fourth proportional to 134,886.18, 186,105.66 and 77,522.52 is: 106,959.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,886.18 : 186,105.66 = 77,522.52 : x
  2. Step 2: Convert to fraction form
    134,886.18/186,105.66 = 77,522.52/x
  3. Step 3: Cross multiply
    134,886.18x = 186,105.66 × 77,522.52
  4. Step 4: Simplify right side
    134,886.18x = 14,427,379,749.46
  5. Step 5: Solve for x
    x = 14,427,379,749.46/134,886.18
  6. Step 6: Final answer
    x = 106,959.66

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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.