Home / 169,070.12-233,315.09-91,545.40

Finding the Fourth Proportional to 169,070.12, 233,315.09 and 91,545.40

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Solution

The fourth proportional to 169,070.12, 233,315.09 and 91,545.40 is: 126,331.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,070.12 : 233,315.09 = 91,545.40 : x
  2. Step 2: Convert to fraction form
    169,070.12/233,315.09 = 91,545.40/x
  3. Step 3: Cross multiply
    169,070.12x = 233,315.09 × 91,545.40
  4. Step 4: Simplify right side
    169,070.12x = 21,358,923,240.09
  5. Step 5: Solve for x
    x = 21,358,923,240.09/169,070.12
  6. Step 6: Final answer
    x = 126,331.74

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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.