Home / 166,331.20-249,496.80-48,006.40

Finding the Fourth Proportional to 166,331.20, 249,496.80 and 48,006.40

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Solution

The fourth proportional to 166,331.20, 249,496.80 and 48,006.40 is: 72,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,331.20 : 249,496.80 = 48,006.40 : x
  2. Step 2: Convert to fraction form
    166,331.20/249,496.80 = 48,006.40/x
  3. Step 3: Cross multiply
    166,331.20x = 249,496.80 × 48,006.40
  4. Step 4: Simplify right side
    166,331.20x = 11,977,443,179.52
  5. Step 5: Solve for x
    x = 11,977,443,179.52/166,331.20
  6. Step 6: Final answer
    x = 72,009.60

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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.