Home / 96,273.60-144,256.80-80,606.40

Finding the Fourth Proportional to 96,273.60, 144,256.80 and 80,606.40

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Solution

The fourth proportional to 96,273.60, 144,256.80 and 80,606.40 is: 120,781.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,273.60 : 144,256.80 = 80,606.40 : x
  2. Step 2: Convert to fraction form
    96,273.60/144,256.80 = 80,606.40/x
  3. Step 3: Cross multiply
    96,273.60x = 144,256.80 × 80,606.40
  4. Step 4: Simplify right side
    96,273.60x = 11,628,021,323.52
  5. Step 5: Solve for x
    x = 11,628,021,323.52/96,273.60
  6. Step 6: Final answer
    x = 120,781.00

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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.