Home / 119,733.08-179,613.51-39,778.18

Finding the Fourth Proportional to 119,733.08, 179,613.51 and 39,778.18

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Solution

The fourth proportional to 119,733.08, 179,613.51 and 39,778.18 is: 59,671.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,733.08 : 179,613.51 = 39,778.18 : x
  2. Step 2: Convert to fraction form
    119,733.08/179,613.51 = 39,778.18/x
  3. Step 3: Cross multiply
    119,733.08x = 179,613.51 × 39,778.18
  4. Step 4: Simplify right side
    119,733.08x = 7,144,698,717.86
  5. Step 5: Solve for x
    x = 7,144,698,717.86/119,733.08
  6. Step 6: Final answer
    x = 59,671.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.