Home / 161,746.74-223,207.49-90,125.24

Finding the Fourth Proportional to 161,746.74, 223,207.49 and 90,125.24

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Solution

The fourth proportional to 161,746.74, 223,207.49 and 90,125.24 is: 124,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,746.74 : 223,207.49 = 90,125.24 : x
  2. Step 2: Convert to fraction form
    161,746.74/223,207.49 = 90,125.24/x
  3. Step 3: Cross multiply
    161,746.74x = 223,207.49 × 90,125.24
  4. Step 4: Simplify right side
    161,746.74x = 20,116,627,715.32
  5. Step 5: Solve for x
    x = 20,116,627,715.32/161,746.74
  6. Step 6: Final answer
    x = 124,371.15

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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.