Home / 186,617.34-257,531.36-101,734.42

Finding the Fourth Proportional to 186,617.34, 257,531.36 and 101,734.42

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Solution

The fourth proportional to 186,617.34, 257,531.36 and 101,734.42 is: 140,393.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,617.34 : 257,531.36 = 101,734.42 : x
  2. Step 2: Convert to fraction form
    186,617.34/257,531.36 = 101,734.42/x
  3. Step 3: Cross multiply
    186,617.34x = 257,531.36 × 101,734.42
  4. Step 4: Simplify right side
    186,617.34x = 26,199,803,541.41
  5. Step 5: Solve for x
    x = 26,199,803,541.41/186,617.34
  6. Step 6: Final answer
    x = 140,393.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.