Home / 222,197.04-306,312.92-158,424.12

Finding the Fourth Proportional to 222,197.04, 306,312.92 and 158,424.12

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Solution

The fourth proportional to 222,197.04, 306,312.92 and 158,424.12 is: 218,397.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,197.04 : 306,312.92 = 158,424.12 : x
  2. Step 2: Convert to fraction form
    222,197.04/306,312.92 = 158,424.12/x
  3. Step 3: Cross multiply
    222,197.04x = 306,312.92 × 158,424.12
  4. Step 4: Simplify right side
    222,197.04x = 48,527,354,795.63
  5. Step 5: Solve for x
    x = 48,527,354,795.63/222,197.04
  6. Step 6: Final answer
    x = 218,397.85

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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.