Home / 118,513.24-177,769.50-39,609.40

Finding the Fourth Proportional to 118,513.24, 177,769.50 and 39,609.40

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Solution

The fourth proportional to 118,513.24, 177,769.50 and 39,609.40 is: 59,413.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,513.24 : 177,769.50 = 39,609.40 : x
  2. Step 2: Convert to fraction form
    118,513.24/177,769.50 = 39,609.40/x
  3. Step 3: Cross multiply
    118,513.24x = 177,769.50 × 39,609.40
  4. Step 4: Simplify right side
    118,513.24x = 7,041,343,233.30
  5. Step 5: Solve for x
    x = 7,041,343,233.30/118,513.24
  6. Step 6: Final answer
    x = 59,413.98

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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.