Home / 166,301.60-249,267.20-66,436.16

Finding the Fourth Proportional to 166,301.60, 249,267.20 and 66,436.16

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Solution

The fourth proportional to 166,301.60, 249,267.20 and 66,436.16 is: 99,580.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,301.60 : 249,267.20 = 66,436.16 : x
  2. Step 2: Convert to fraction form
    166,301.60/249,267.20 = 66,436.16/x
  3. Step 3: Cross multiply
    166,301.60x = 249,267.20 × 66,436.16
  4. Step 4: Simplify right side
    166,301.60x = 16,560,355,581.95
  5. Step 5: Solve for x
    x = 16,560,355,581.95/166,301.60
  6. Step 6: Final answer
    x = 99,580.25

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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.