Home / 118,518.47-177,740.64-39,614.24

Finding the Fourth Proportional to 118,518.47, 177,740.64 and 39,614.24

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Solution

The fourth proportional to 118,518.47, 177,740.64 and 39,614.24 is: 59,408.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,518.47 : 177,740.64 = 39,614.24 : x
  2. Step 2: Convert to fraction form
    118,518.47/177,740.64 = 39,614.24/x
  3. Step 3: Cross multiply
    118,518.47x = 177,740.64 × 39,614.24
  4. Step 4: Simplify right side
    118,518.47x = 7,041,060,370.88
  5. Step 5: Solve for x
    x = 7,041,060,370.88/118,518.47
  6. Step 6: Final answer
    x = 59,408.97

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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.