Home / 177,600.19-245,158.40-109,644.64

Finding the Fourth Proportional to 177,600.19, 245,158.40 and 109,644.64

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Solution

The fourth proportional to 177,600.19, 245,158.40 and 109,644.64 is: 151,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,600.19 : 245,158.40 = 109,644.64 : x
  2. Step 2: Convert to fraction form
    177,600.19/245,158.40 = 109,644.64/x
  3. Step 3: Cross multiply
    177,600.19x = 245,158.40 × 109,644.64
  4. Step 4: Simplify right side
    177,600.19x = 26,880,304,510.98
  5. Step 5: Solve for x
    x = 26,880,304,510.98/177,600.19
  6. Step 6: Final answer
    x = 151,352.90

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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.