Home / 170,390.13-235,128.77-93,908.98

Finding the Fourth Proportional to 170,390.13, 235,128.77 and 93,908.98

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Solution

The fourth proportional to 170,390.13, 235,128.77 and 93,908.98 is: 129,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,390.13 : 235,128.77 = 93,908.98 : x
  2. Step 2: Convert to fraction form
    170,390.13/235,128.77 = 93,908.98/x
  3. Step 3: Cross multiply
    170,390.13x = 235,128.77 × 93,908.98
  4. Step 4: Simplify right side
    170,390.13x = 22,080,702,959.35
  5. Step 5: Solve for x
    x = 22,080,702,959.35/170,390.13
  6. Step 6: Final answer
    x = 129,589.10

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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.