Home / 159,211.40-238,624.84-70,364.12

Finding the Fourth Proportional to 159,211.40, 238,624.84 and 70,364.12

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Solution

The fourth proportional to 159,211.40, 238,624.84 and 70,364.12 is: 105,461.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,211.40 : 238,624.84 = 70,364.12 : x
  2. Step 2: Convert to fraction form
    159,211.40/238,624.84 = 70,364.12/x
  3. Step 3: Cross multiply
    159,211.40x = 238,624.84 × 70,364.12
  4. Step 4: Simplify right side
    159,211.40x = 16,790,626,876.74
  5. Step 5: Solve for x
    x = 16,790,626,876.74/159,211.40
  6. Step 6: Final answer
    x = 105,461.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.