Home / 118,870.11-178,416.09-62,751.69

Finding the Fourth Proportional to 118,870.11, 178,416.09 and 62,751.69

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Solution

The fourth proportional to 118,870.11, 178,416.09 and 62,751.69 is: 94,186.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,870.11 : 178,416.09 = 62,751.69 : x
  2. Step 2: Convert to fraction form
    118,870.11/178,416.09 = 62,751.69/x
  3. Step 3: Cross multiply
    118,870.11x = 178,416.09 × 62,751.69
  4. Step 4: Simplify right side
    118,870.11x = 11,195,911,170.69
  5. Step 5: Solve for x
    x = 11,195,911,170.69/118,870.11
  6. Step 6: Final answer
    x = 94,186.09

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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.