Home / 119,587.10-164,958.23-76,575.90

Finding the Fourth Proportional to 119,587.10, 164,958.23 and 76,575.90

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Solution

The fourth proportional to 119,587.10, 164,958.23 and 76,575.90 is: 105,628.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,587.10 : 164,958.23 = 76,575.90 : x
  2. Step 2: Convert to fraction form
    119,587.10/164,958.23 = 76,575.90/x
  3. Step 3: Cross multiply
    119,587.10x = 164,958.23 × 76,575.90
  4. Step 4: Simplify right side
    119,587.10x = 12,631,824,924.66
  5. Step 5: Solve for x
    x = 12,631,824,924.66/119,587.10
  6. Step 6: Final answer
    x = 105,628.66

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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.