Home / 121,714.65-182,615.72-107,105.49

Finding the Fourth Proportional to 121,714.65, 182,615.72 and 107,105.49

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Solution

The fourth proportional to 121,714.65, 182,615.72 and 107,105.49 is: 160,696.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,714.65 : 182,615.72 = 107,105.49 : x
  2. Step 2: Convert to fraction form
    121,714.65/182,615.72 = 107,105.49/x
  3. Step 3: Cross multiply
    121,714.65x = 182,615.72 × 107,105.49
  4. Step 4: Simplify right side
    121,714.65x = 19,559,145,636.78
  5. Step 5: Solve for x
    x = 19,559,145,636.78/121,714.65
  6. Step 6: Final answer
    x = 160,696.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.