Home / 134,618.16-185,734.41-86,898.66

Finding the Fourth Proportional to 134,618.16, 185,734.41 and 86,898.66

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Solution

The fourth proportional to 134,618.16, 185,734.41 and 86,898.66 is: 119,895.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,618.16 : 185,734.41 = 86,898.66 : x
  2. Step 2: Convert to fraction form
    134,618.16/185,734.41 = 86,898.66/x
  3. Step 3: Cross multiply
    134,618.16x = 185,734.41 × 86,898.66
  4. Step 4: Simplify right side
    134,618.16x = 16,140,071,344.89
  5. Step 5: Solve for x
    x = 16,140,071,344.89/134,618.16
  6. Step 6: Final answer
    x = 119,895.20

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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.