Home / 158,233.33-218,353.54-86,599.49

Finding the Fourth Proportional to 158,233.33, 218,353.54 and 86,599.49

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Solution

The fourth proportional to 158,233.33, 218,353.54 and 86,599.49 is: 119,502.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,233.33 : 218,353.54 = 86,599.49 : x
  2. Step 2: Convert to fraction form
    158,233.33/218,353.54 = 86,599.49/x
  3. Step 3: Cross multiply
    158,233.33x = 218,353.54 × 86,599.49
  4. Step 4: Simplify right side
    158,233.33x = 18,909,304,770.70
  5. Step 5: Solve for x
    x = 18,909,304,770.70/158,233.33
  6. Step 6: Final answer
    x = 119,502.67

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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.