Home / 158,547.90-218,625.19-120,377.46

Finding the Fourth Proportional to 158,547.90, 218,625.19 and 120,377.46

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Solution

The fourth proportional to 158,547.90, 218,625.19 and 120,377.46 is: 165,991.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,547.90 : 218,625.19 = 120,377.46 : x
  2. Step 2: Convert to fraction form
    158,547.90/218,625.19 = 120,377.46/x
  3. Step 3: Cross multiply
    158,547.90x = 218,625.19 × 120,377.46
  4. Step 4: Simplify right side
    158,547.90x = 26,317,545,064.22
  5. Step 5: Solve for x
    x = 26,317,545,064.22/158,547.90
  6. Step 6: Final answer
    x = 165,991.13

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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.