Home / 188,434.08-260,026.80-107,862.24

Finding the Fourth Proportional to 188,434.08, 260,026.80 and 107,862.24

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Solution

The fourth proportional to 188,434.08, 260,026.80 and 107,862.24 is: 148,842.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,434.08 : 260,026.80 = 107,862.24 : x
  2. Step 2: Convert to fraction form
    188,434.08/260,026.80 = 107,862.24/x
  3. Step 3: Cross multiply
    188,434.08x = 260,026.80 × 107,862.24
  4. Step 4: Simplify right side
    188,434.08x = 28,047,073,108.03
  5. Step 5: Solve for x
    x = 28,047,073,108.03/188,434.08
  6. Step 6: Final answer
    x = 148,842.89

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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.