Home / 154,044.59-212,560.61-86,053.19

Finding the Fourth Proportional to 154,044.59, 212,560.61 and 86,053.19

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Solution

The fourth proportional to 154,044.59, 212,560.61 and 86,053.19 is: 118,741.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,044.59 : 212,560.61 = 86,053.19 : x
  2. Step 2: Convert to fraction form
    154,044.59/212,560.61 = 86,053.19/x
  3. Step 3: Cross multiply
    154,044.59x = 212,560.61 × 86,053.19
  4. Step 4: Simplify right side
    154,044.59x = 18,291,517,065.78
  5. Step 5: Solve for x
    x = 18,291,517,065.78/154,044.59
  6. Step 6: Final answer
    x = 118,741.71

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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.