Home / 158,446.88-218,574.90-107,442.36

Finding the Fourth Proportional to 158,446.88, 218,574.90 and 107,442.36

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Solution

The fourth proportional to 158,446.88, 218,574.90 and 107,442.36 is: 148,214.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,446.88 : 218,574.90 = 107,442.36 : x
  2. Step 2: Convert to fraction form
    158,446.88/218,574.90 = 107,442.36/x
  3. Step 3: Cross multiply
    158,446.88x = 218,574.90 × 107,442.36
  4. Step 4: Simplify right side
    158,446.88x = 23,484,203,092.76
  5. Step 5: Solve for x
    x = 23,484,203,092.76/158,446.88
  6. Step 6: Final answer
    x = 148,214.99

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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.