Home / 119,478.06-164,876.13-65,763.12

Finding the Fourth Proportional to 119,478.06, 164,876.13 and 65,763.12

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Solution

The fourth proportional to 119,478.06, 164,876.13 and 65,763.12 is: 90,751.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,478.06 : 164,876.13 = 65,763.12 : x
  2. Step 2: Convert to fraction form
    119,478.06/164,876.13 = 65,763.12/x
  3. Step 3: Cross multiply
    119,478.06x = 164,876.13 × 65,763.12
  4. Step 4: Simplify right side
    119,478.06x = 10,842,768,722.33
  5. Step 5: Solve for x
    x = 10,842,768,722.33/119,478.06
  6. Step 6: Final answer
    x = 90,751.13

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1.5x scale

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.