Home / 188,541.76-260,158.08-107,950.72

Finding the Fourth Proportional to 188,541.76, 260,158.08 and 107,950.72

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Solution

The fourth proportional to 188,541.76, 260,158.08 and 107,950.72 is: 148,955.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,541.76 : 260,158.08 = 107,950.72 : x
  2. Step 2: Convert to fraction form
    188,541.76/260,158.08 = 107,950.72/x
  3. Step 3: Cross multiply
    188,541.76x = 260,158.08 × 107,950.72
  4. Step 4: Simplify right side
    188,541.76x = 28,084,252,049.82
  5. Step 5: Solve for x
    x = 28,084,252,049.82/188,541.76
  6. Step 6: Final answer
    x = 148,955.08

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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.