Home / 96,218.16-143,359.50-90,852.72

Finding the Fourth Proportional to 96,218.16, 143,359.50 and 90,852.72

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Solution

The fourth proportional to 96,218.16, 143,359.50 and 90,852.72 is: 135,365.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,218.16 : 143,359.50 = 90,852.72 : x
  2. Step 2: Convert to fraction form
    96,218.16/143,359.50 = 90,852.72/x
  3. Step 3: Cross multiply
    96,218.16x = 143,359.50 × 90,852.72
  4. Step 4: Simplify right side
    96,218.16x = 13,024,600,512.84
  5. Step 5: Solve for x
    x = 13,024,600,512.84/96,218.16
  6. Step 6: Final answer
    x = 135,365.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.