Home / 151,005.13-208,350.02-111,729.33

Finding the Fourth Proportional to 151,005.13, 208,350.02 and 111,729.33

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Solution

The fourth proportional to 151,005.13, 208,350.02 and 111,729.33 is: 154,159.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,005.13 : 208,350.02 = 111,729.33 : x
  2. Step 2: Convert to fraction form
    151,005.13/208,350.02 = 111,729.33/x
  3. Step 3: Cross multiply
    151,005.13x = 208,350.02 × 111,729.33
  4. Step 4: Simplify right side
    151,005.13x = 23,278,808,419.41
  5. Step 5: Solve for x
    x = 23,278,808,419.41/151,005.13
  6. Step 6: Final answer
    x = 154,159.06

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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.