Home / 166,617.20-249,925.80-107,519.60

Finding the Fourth Proportional to 166,617.20, 249,925.80 and 107,519.60

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Solution

The fourth proportional to 166,617.20, 249,925.80 and 107,519.60 is: 161,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,617.20 : 249,925.80 = 107,519.60 : x
  2. Step 2: Convert to fraction form
    166,617.20/249,925.80 = 107,519.60/x
  3. Step 3: Cross multiply
    166,617.20x = 249,925.80 × 107,519.60
  4. Step 4: Simplify right side
    166,617.20x = 26,871,922,045.68
  5. Step 5: Solve for x
    x = 26,871,922,045.68/166,617.20
  6. Step 6: Final answer
    x = 161,279.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.