Home / 119,117.57-164,370.14-71,369.69

Finding the Fourth Proportional to 119,117.57, 164,370.14 and 71,369.69

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Solution

The fourth proportional to 119,117.57, 164,370.14 and 71,369.69 is: 98,482.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,117.57 : 164,370.14 = 71,369.69 : x
  2. Step 2: Convert to fraction form
    119,117.57/164,370.14 = 71,369.69/x
  3. Step 3: Cross multiply
    119,117.57x = 164,370.14 × 71,369.69
  4. Step 4: Simplify right side
    119,117.57x = 11,731,044,758.36
  5. Step 5: Solve for x
    x = 11,731,044,758.36/119,117.57
  6. Step 6: Final answer
    x = 98,482.91

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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.