Home / 170,872.13-235,805.51-94,389.64

Finding the Fourth Proportional to 170,872.13, 235,805.51 and 94,389.64

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Solution

The fourth proportional to 170,872.13, 235,805.51 and 94,389.64 is: 130,258.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,872.13 : 235,805.51 = 94,389.64 : x
  2. Step 2: Convert to fraction form
    170,872.13/235,805.51 = 94,389.64/x
  3. Step 3: Cross multiply
    170,872.13x = 235,805.51 × 94,389.64
  4. Step 4: Simplify right side
    170,872.13x = 22,257,596,978.11
  5. Step 5: Solve for x
    x = 22,257,596,978.11/170,872.13
  6. Step 6: Final answer
    x = 130,258.79

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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.