Home / 207,123.13-285,827.20-116,479.06

Finding the Fourth Proportional to 207,123.13, 285,827.20 and 116,479.06

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Solution

The fourth proportional to 207,123.13, 285,827.20 and 116,479.06 is: 160,739.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,123.13 : 285,827.20 = 116,479.06 : x
  2. Step 2: Convert to fraction form
    207,123.13/285,827.20 = 116,479.06/x
  3. Step 3: Cross multiply
    207,123.13x = 285,827.20 × 116,479.06
  4. Step 4: Simplify right side
    207,123.13x = 33,292,884,180.44
  5. Step 5: Solve for x
    x = 33,292,884,180.44/207,123.13
  6. Step 6: Final answer
    x = 160,739.58

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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.