Home / 265,880.20-398,817.04-66,202.24

Finding the Fourth Proportional to 265,880.20, 398,817.04 and 66,202.24

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Solution

The fourth proportional to 265,880.20, 398,817.04 and 66,202.24 is: 99,302.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,880.20 : 398,817.04 = 66,202.24 : x
  2. Step 2: Convert to fraction form
    265,880.20/398,817.04 = 66,202.24/x
  3. Step 3: Cross multiply
    265,880.20x = 398,817.04 × 66,202.24
  4. Step 4: Simplify right side
    265,880.20x = 26,402,581,398.17
  5. Step 5: Solve for x
    x = 26,402,581,398.17/265,880.20
  6. Step 6: Final answer
    x = 99,302.55

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1.5x scale

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.