Home / 163,933.60-245,857.20-51,613.60

Finding the Fourth Proportional to 163,933.60, 245,857.20 and 51,613.60

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Solution

The fourth proportional to 163,933.60, 245,857.20 and 51,613.60 is: 77,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,933.60 : 245,857.20 = 51,613.60 : x
  2. Step 2: Convert to fraction form
    163,933.60/245,857.20 = 51,613.60/x
  3. Step 3: Cross multiply
    163,933.60x = 245,857.20 × 51,613.60
  4. Step 4: Simplify right side
    163,933.60x = 12,689,575,177.92
  5. Step 5: Solve for x
    x = 12,689,575,177.92/163,933.60
  6. Step 6: Final answer
    x = 77,406.80

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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.