Home / 166,170.90-249,256.35-99,686.10

Finding the Fourth Proportional to 166,170.90, 249,256.35 and 99,686.10

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Solution

The fourth proportional to 166,170.90, 249,256.35 and 99,686.10 is: 149,529.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,170.90 : 249,256.35 = 99,686.10 : x
  2. Step 2: Convert to fraction form
    166,170.90/249,256.35 = 99,686.10/x
  3. Step 3: Cross multiply
    166,170.90x = 249,256.35 × 99,686.10
  4. Step 4: Simplify right side
    166,170.90x = 24,847,393,431.74
  5. Step 5: Solve for x
    x = 24,847,393,431.74/166,170.90
  6. Step 6: Final answer
    x = 149,529.15

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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.