Home / 163,475.04-225,616.40-99,799.20

Finding the Fourth Proportional to 163,475.04, 225,616.40 and 99,799.20

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Solution

The fourth proportional to 163,475.04, 225,616.40 and 99,799.20 is: 137,735.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,475.04 : 225,616.40 = 99,799.20 : x
  2. Step 2: Convert to fraction form
    163,475.04/225,616.40 = 99,799.20/x
  3. Step 3: Cross multiply
    163,475.04x = 225,616.40 × 99,799.20
  4. Step 4: Simplify right side
    163,475.04x = 22,516,336,226.88
  5. Step 5: Solve for x
    x = 22,516,336,226.88/163,475.04
  6. Step 6: Final answer
    x = 137,735.62

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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.