Home / 222,123.06-306,210.98-158,350.14

Finding the Fourth Proportional to 222,123.06, 306,210.98 and 158,350.14

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Solution

The fourth proportional to 222,123.06, 306,210.98 and 158,350.14 is: 218,295.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,123.06 : 306,210.98 = 158,350.14 : x
  2. Step 2: Convert to fraction form
    222,123.06/306,210.98 = 158,350.14/x
  3. Step 3: Cross multiply
    222,123.06x = 306,210.98 × 158,350.14
  4. Step 4: Simplify right side
    222,123.06x = 48,488,551,948.41
  5. Step 5: Solve for x
    x = 48,488,551,948.41/222,123.06
  6. Step 6: Final answer
    x = 218,295.89

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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.