Home / 119,306.39-164,641.35-65,590.94

Finding the Fourth Proportional to 119,306.39, 164,641.35 and 65,590.94

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Solution

The fourth proportional to 119,306.39, 164,641.35 and 65,590.94 is: 90,514.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,306.39 : 164,641.35 = 65,590.94 : x
  2. Step 2: Convert to fraction form
    119,306.39/164,641.35 = 65,590.94/x
  3. Step 3: Cross multiply
    119,306.39x = 164,641.35 × 65,590.94
  4. Step 4: Simplify right side
    119,306.39x = 10,798,980,642.70
  5. Step 5: Solve for x
    x = 10,798,980,642.70/119,306.39
  6. Step 6: Final answer
    x = 90,514.69

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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.