Home / 154,001.70-212,517.96-86,016.69

Finding the Fourth Proportional to 154,001.70, 212,517.96 and 86,016.69

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Solution

The fourth proportional to 154,001.70, 212,517.96 and 86,016.69 is: 118,700.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,001.70 : 212,517.96 = 86,016.69 : x
  2. Step 2: Convert to fraction form
    154,001.70/212,517.96 = 86,016.69/x
  3. Step 3: Cross multiply
    154,001.70x = 212,517.96 × 86,016.69
  4. Step 4: Simplify right side
    154,001.70x = 18,280,091,484.75
  5. Step 5: Solve for x
    x = 18,280,091,484.75/154,001.70
  6. Step 6: Final answer
    x = 118,700.58

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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.