Home / 118,311.16-177,454.80-39,416.92

Finding the Fourth Proportional to 118,311.16, 177,454.80 and 39,416.92

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Solution

The fourth proportional to 118,311.16, 177,454.80 and 39,416.92 is: 59,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,311.16 : 177,454.80 = 39,416.92 : x
  2. Step 2: Convert to fraction form
    118,311.16/177,454.80 = 39,416.92/x
  3. Step 3: Cross multiply
    118,311.16x = 177,454.80 × 39,416.92
  4. Step 4: Simplify right side
    118,311.16x = 6,994,721,655.22
  5. Step 5: Solve for x
    x = 6,994,721,655.22/118,311.16
  6. Step 6: Final answer
    x = 59,121.40

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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.