Home / 118,355.20-176,276.96-117,782.80

Finding the Fourth Proportional to 118,355.20, 176,276.96 and 117,782.80

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Solution

The fourth proportional to 118,355.20, 176,276.96 and 117,782.80 is: 175,424.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,355.20 : 176,276.96 = 117,782.80 : x
  2. Step 2: Convert to fraction form
    118,355.20/176,276.96 = 117,782.80/x
  3. Step 3: Cross multiply
    118,355.20x = 176,276.96 × 117,782.80
  4. Step 4: Simplify right side
    118,355.20x = 20,762,393,924.29
  5. Step 5: Solve for x
    x = 20,762,393,924.29/118,355.20
  6. Step 6: Final answer
    x = 175,424.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.