Home / 154,054.04-212,593.11-86,082.72

Finding the Fourth Proportional to 154,054.04, 212,593.11 and 86,082.72

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Solution

The fourth proportional to 154,054.04, 212,593.11 and 86,082.72 is: 118,793.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,054.04 : 212,593.11 = 86,082.72 : x
  2. Step 2: Convert to fraction form
    154,054.04/212,593.11 = 86,082.72/x
  3. Step 3: Cross multiply
    154,054.04x = 212,593.11 × 86,082.72
  4. Step 4: Simplify right side
    154,054.04x = 18,300,592,042.02
  5. Step 5: Solve for x
    x = 18,300,592,042.02/154,054.04
  6. Step 6: Final answer
    x = 118,793.33

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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.