Home / 99,301.05-136,903.77-82,242.45

Finding the Fourth Proportional to 99,301.05, 136,903.77 and 82,242.45

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Solution

The fourth proportional to 99,301.05, 136,903.77 and 82,242.45 is: 113,385.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,301.05 : 136,903.77 = 82,242.45 : x
  2. Step 2: Convert to fraction form
    99,301.05/136,903.77 = 82,242.45/x
  3. Step 3: Cross multiply
    99,301.05x = 136,903.77 × 82,242.45
  4. Step 4: Simplify right side
    99,301.05x = 11,259,301,459.04
  5. Step 5: Solve for x
    x = 11,259,301,459.04/99,301.05
  6. Step 6: Final answer
    x = 113,385.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.