Home / 99,298.04-136,899.64-82,239.44

Finding the Fourth Proportional to 99,298.04, 136,899.64 and 82,239.44

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Solution

The fourth proportional to 99,298.04, 136,899.64 and 82,239.44 is: 113,381.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,298.04 : 136,899.64 = 82,239.44 : x
  2. Step 2: Convert to fraction form
    99,298.04/136,899.64 = 82,239.44/x
  3. Step 3: Cross multiply
    99,298.04x = 136,899.64 × 82,239.44
  4. Step 4: Simplify right side
    99,298.04x = 11,258,549,866.45
  5. Step 5: Solve for x
    x = 11,258,549,866.45/99,298.04
  6. Step 6: Final answer
    x = 113,381.39

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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.