Home / 118,095.28-177,104.40-39,188.32

Finding the Fourth Proportional to 118,095.28, 177,104.40 and 39,188.32

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Solution

The fourth proportional to 118,095.28, 177,104.40 and 39,188.32 is: 58,769.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,095.28 : 177,104.40 = 39,188.32 : x
  2. Step 2: Convert to fraction form
    118,095.28/177,104.40 = 39,188.32/x
  3. Step 3: Cross multiply
    118,095.28x = 177,104.40 × 39,188.32
  4. Step 4: Simplify right side
    118,095.28x = 6,940,423,900.61
  5. Step 5: Solve for x
    x = 6,940,423,900.61/118,095.28
  6. Step 6: Final answer
    x = 58,769.70

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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.