Home / 170,987.78-235,975.35-94,505.23

Finding the Fourth Proportional to 170,987.78, 235,975.35 and 94,505.23

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Solution

The fourth proportional to 170,987.78, 235,975.35 and 94,505.23 is: 130,423.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,987.78 : 235,975.35 = 94,505.23 : x
  2. Step 2: Convert to fraction form
    170,987.78/235,975.35 = 94,505.23/x
  3. Step 3: Cross multiply
    170,987.78x = 235,975.35 × 94,505.23
  4. Step 4: Simplify right side
    170,987.78x = 22,300,904,726.08
  5. Step 5: Solve for x
    x = 22,300,904,726.08/170,987.78
  6. Step 6: Final answer
    x = 130,423.97

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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.