Home / 99,187.36-136,676.88-92,188.32

Finding the Fourth Proportional to 99,187.36, 136,676.88 and 92,188.32

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Solution

The fourth proportional to 99,187.36, 136,676.88 and 92,188.32 is: 127,032.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,187.36 : 136,676.88 = 92,188.32 : x
  2. Step 2: Convert to fraction form
    99,187.36/136,676.88 = 92,188.32/x
  3. Step 3: Cross multiply
    99,187.36x = 136,676.88 × 92,188.32
  4. Step 4: Simplify right side
    99,187.36x = 12,600,011,950.04
  5. Step 5: Solve for x
    x = 12,600,011,950.04/99,187.36
  6. Step 6: Final answer
    x = 127,032.44

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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.