Home / 119,448.12-164,841.90-65,734.68

Finding the Fourth Proportional to 119,448.12, 164,841.90 and 65,734.68

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Solution

The fourth proportional to 119,448.12, 164,841.90 and 65,734.68 is: 90,715.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,448.12 : 164,841.90 = 65,734.68 : x
  2. Step 2: Convert to fraction form
    119,448.12/164,841.90 = 65,734.68/x
  3. Step 3: Cross multiply
    119,448.12x = 164,841.90 × 65,734.68
  4. Step 4: Simplify right side
    119,448.12x = 10,835,829,547.09
  5. Step 5: Solve for x
    x = 10,835,829,547.09/119,448.12
  6. Step 6: Final answer
    x = 90,715.78

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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.