Home / 118,715.13-178,072.69-35,609.13

Finding the Fourth Proportional to 118,715.13, 178,072.69 and 35,609.13

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Solution

The fourth proportional to 118,715.13, 178,072.69 and 35,609.13 is: 53,413.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,715.13 : 178,072.69 = 35,609.13 : x
  2. Step 2: Convert to fraction form
    118,715.13/178,072.69 = 35,609.13/x
  3. Step 3: Cross multiply
    118,715.13x = 178,072.69 × 35,609.13
  4. Step 4: Simplify right side
    118,715.13x = 6,341,012,588.27
  5. Step 5: Solve for x
    x = 6,341,012,588.27/118,715.13
  6. Step 6: Final answer
    x = 53,413.69

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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.