Home / 144,772.20-216,899.10-118,333.80

Finding the Fourth Proportional to 144,772.20, 216,899.10 and 118,333.80

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Solution

The fourth proportional to 144,772.20, 216,899.10 and 118,333.80 is: 177,288.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,772.20 : 216,899.10 = 118,333.80 : x
  2. Step 2: Convert to fraction form
    144,772.20/216,899.10 = 118,333.80/x
  3. Step 3: Cross multiply
    144,772.20x = 216,899.10 × 118,333.80
  4. Step 4: Simplify right side
    144,772.20x = 25,666,494,719.58
  5. Step 5: Solve for x
    x = 25,666,494,719.58/144,772.20
  6. Step 6: Final answer
    x = 177,288.84

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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.