Home / 265,718.14-398,766.75-147,484.06

Finding the Fourth Proportional to 265,718.14, 398,766.75 and 147,484.06

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Solution

The fourth proportional to 265,718.14, 398,766.75 and 147,484.06 is: 221,331.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,718.14 : 398,766.75 = 147,484.06 : x
  2. Step 2: Convert to fraction form
    265,718.14/398,766.75 = 147,484.06/x
  3. Step 3: Cross multiply
    265,718.14x = 398,766.75 × 147,484.06
  4. Step 4: Simplify right side
    265,718.14x = 58,811,739,283.01
  5. Step 5: Solve for x
    x = 58,811,739,283.01/265,718.14
  6. Step 6: Final answer
    x = 221,331.29

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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.