Home / 168,110.01-231,973.20-100,117.53

Finding the Fourth Proportional to 168,110.01, 231,973.20 and 100,117.53

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Solution

The fourth proportional to 168,110.01, 231,973.20 and 100,117.53 is: 138,151.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,110.01 : 231,973.20 = 100,117.53 : x
  2. Step 2: Convert to fraction form
    168,110.01/231,973.20 = 100,117.53/x
  3. Step 3: Cross multiply
    168,110.01x = 231,973.20 × 100,117.53
  4. Step 4: Simplify right side
    168,110.01x = 23,224,583,810.20
  5. Step 5: Solve for x
    x = 23,224,583,810.20/168,110.01
  6. Step 6: Final answer
    x = 138,151.11

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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.