Home / 170,987.61-235,975.11-94,505.06

Finding the Fourth Proportional to 170,987.61, 235,975.11 and 94,505.06

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Solution

The fourth proportional to 170,987.61, 235,975.11 and 94,505.06 is: 130,423.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,987.61 : 235,975.11 = 94,505.06 : x
  2. Step 2: Convert to fraction form
    170,987.61/235,975.11 = 94,505.06/x
  3. Step 3: Cross multiply
    170,987.61x = 235,975.11 × 94,505.06
  4. Step 4: Simplify right side
    170,987.61x = 22,300,841,929.06
  5. Step 5: Solve for x
    x = 22,300,841,929.06/170,987.61
  6. Step 6: Final answer
    x = 130,423.73

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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.