Home / 265,743.19-398,613.10-97,275.25

Finding the Fourth Proportional to 265,743.19, 398,613.10 and 97,275.25

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Solution

The fourth proportional to 265,743.19, 398,613.10 and 97,275.25 is: 145,912.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,743.19 : 398,613.10 = 97,275.25 : x
  2. Step 2: Convert to fraction form
    265,743.19/398,613.10 = 97,275.25/x
  3. Step 3: Cross multiply
    265,743.19x = 398,613.10 × 97,275.25
  4. Step 4: Simplify right side
    265,743.19x = 38,775,188,955.78
  5. Step 5: Solve for x
    x = 38,775,188,955.78/265,743.19
  6. Step 6: Final answer
    x = 145,912.26

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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.