Home / 193,506.78-267,031.56-107,470.20

Finding the Fourth Proportional to 193,506.78, 267,031.56 and 107,470.20

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Solution

The fourth proportional to 193,506.78, 267,031.56 and 107,470.20 is: 148,304.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,506.78 : 267,031.56 = 107,470.20 : x
  2. Step 2: Convert to fraction form
    193,506.78/267,031.56 = 107,470.20/x
  3. Step 3: Cross multiply
    193,506.78x = 267,031.56 × 107,470.20
  4. Step 4: Simplify right side
    193,506.78x = 28,697,935,159.51
  5. Step 5: Solve for x
    x = 28,697,935,159.51/193,506.78
  6. Step 6: Final answer
    x = 148,304.55

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1.5x scale

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.