Home / 166,345.60-249,518.40-48,020.80

Finding the Fourth Proportional to 166,345.60, 249,518.40 and 48,020.80

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Solution

The fourth proportional to 166,345.60, 249,518.40 and 48,020.80 is: 72,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,345.60 : 249,518.40 = 48,020.80 : x
  2. Step 2: Convert to fraction form
    166,345.60/249,518.40 = 48,020.80/x
  3. Step 3: Cross multiply
    166,345.60x = 249,518.40 × 48,020.80
  4. Step 4: Simplify right side
    166,345.60x = 11,982,073,182.72
  5. Step 5: Solve for x
    x = 11,982,073,182.72/166,345.60
  6. Step 6: Final answer
    x = 72,031.20

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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.