Home / 96,312.80-144,273.36-78,606.56

Finding the Fourth Proportional to 96,312.80, 144,273.36 and 78,606.56

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Solution

The fourth proportional to 96,312.80, 144,273.36 and 78,606.56 is: 117,750.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,312.80 : 144,273.36 = 78,606.56 : x
  2. Step 2: Convert to fraction form
    96,312.80/144,273.36 = 78,606.56/x
  3. Step 3: Cross multiply
    96,312.80x = 144,273.36 × 78,606.56
  4. Step 4: Simplify right side
    96,312.80x = 11,340,833,184.70
  5. Step 5: Solve for x
    x = 11,340,833,184.70/96,312.80
  6. Step 6: Final answer
    x = 117,750.01

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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.