Home / 260,233.47-390,084.34-147,675.96

Finding the Fourth Proportional to 260,233.47, 390,084.34 and 147,675.96

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Solution

The fourth proportional to 260,233.47, 390,084.34 and 147,675.96 is: 221,363.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,233.47 : 390,084.34 = 147,675.96 : x
  2. Step 2: Convert to fraction form
    260,233.47/390,084.34 = 147,675.96/x
  3. Step 3: Cross multiply
    260,233.47x = 390,084.34 × 147,675.96
  4. Step 4: Simplify right side
    260,233.47x = 57,606,077,070.85
  5. Step 5: Solve for x
    x = 57,606,077,070.85/260,233.47
  6. Step 6: Final answer
    x = 221,363.06

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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.