Home / 202,046.04-278,825.46-111,405.60

Finding the Fourth Proportional to 202,046.04, 278,825.46 and 111,405.60

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Solution

The fourth proportional to 202,046.04, 278,825.46 and 111,405.60 is: 153,740.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,046.04 : 278,825.46 = 111,405.60 : x
  2. Step 2: Convert to fraction form
    202,046.04/278,825.46 = 111,405.60/x
  3. Step 3: Cross multiply
    202,046.04x = 278,825.46 × 111,405.60
  4. Step 4: Simplify right side
    202,046.04x = 31,062,717,666.58
  5. Step 5: Solve for x
    x = 31,062,717,666.58/202,046.04
  6. Step 6: Final answer
    x = 153,740.79

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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.