Home / 189,233.13-261,148.02-103,196.82

Finding the Fourth Proportional to 189,233.13, 261,148.02 and 103,196.82

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Solution

The fourth proportional to 189,233.13, 261,148.02 and 103,196.82 is: 142,415.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,233.13 : 261,148.02 = 103,196.82 : x
  2. Step 2: Convert to fraction form
    189,233.13/261,148.02 = 103,196.82/x
  3. Step 3: Cross multiply
    189,233.13x = 261,148.02 × 103,196.82
  4. Step 4: Simplify right side
    189,233.13x = 26,949,645,213.30
  5. Step 5: Solve for x
    x = 26,949,645,213.30/189,233.13
  6. Step 6: Final answer
    x = 142,415.05

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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.