Home / 99,201.03-136,818.23-65,244.36

Finding the Fourth Proportional to 99,201.03, 136,818.23 and 65,244.36

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Solution

The fourth proportional to 99,201.03, 136,818.23 and 65,244.36 is: 89,985.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,201.03 : 136,818.23 = 65,244.36 : x
  2. Step 2: Convert to fraction form
    99,201.03/136,818.23 = 65,244.36/x
  3. Step 3: Cross multiply
    99,201.03x = 136,818.23 × 65,244.36
  4. Step 4: Simplify right side
    99,201.03x = 8,926,617,852.68
  5. Step 5: Solve for x
    x = 8,926,617,852.68/99,201.03
  6. Step 6: Final answer
    x = 89,985.13

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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.