Home / 147,376.08-221,063.46-42,195

Finding the Fourth Proportional to 147,376.08, 221,063.46 and 42,195

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Solution

The fourth proportional to 147,376.08, 221,063.46 and 42,195 is: 63,292.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,376.08 : 221,063.46 = 42,195 : x
  2. Step 2: Convert to fraction form
    147,376.08/221,063.46 = 42,195/x
  3. Step 3: Cross multiply
    147,376.08x = 221,063.46 × 42,195
  4. Step 4: Simplify right side
    147,376.08x = 9,327,772,694.70
  5. Step 5: Solve for x
    x = 9,327,772,694.70/147,376.08
  6. Step 6: Final answer
    x = 63,292.31

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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.