Home / 226,155.75-312,080.95-124,180.80

Finding the Fourth Proportional to 226,155.75, 312,080.95 and 124,180.80

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Solution

The fourth proportional to 226,155.75, 312,080.95 and 124,180.80 is: 171,361.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,155.75 : 312,080.95 = 124,180.80 : x
  2. Step 2: Convert to fraction form
    226,155.75/312,080.95 = 124,180.80/x
  3. Step 3: Cross multiply
    226,155.75x = 312,080.95 × 124,180.80
  4. Step 4: Simplify right side
    226,155.75x = 38,754,461,020.68
  5. Step 5: Solve for x
    x = 38,754,461,020.68/226,155.75
  6. Step 6: Final answer
    x = 171,361.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.