Home / 166,440.80-249,515.40-99,810.20

Finding the Fourth Proportional to 166,440.80, 249,515.40 and 99,810.20

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Solution

The fourth proportional to 166,440.80, 249,515.40 and 99,810.20 is: 149,627.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,440.80 : 249,515.40 = 99,810.20 : x
  2. Step 2: Convert to fraction form
    166,440.80/249,515.40 = 99,810.20/x
  3. Step 3: Cross multiply
    166,440.80x = 249,515.40 × 99,810.20
  4. Step 4: Simplify right side
    166,440.80x = 24,904,181,977.08
  5. Step 5: Solve for x
    x = 24,904,181,977.08/166,440.80
  6. Step 6: Final answer
    x = 149,627.87

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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.