Home / 113,934.16-170,036.51-111,280.60

Finding the Fourth Proportional to 113,934.16, 170,036.51 and 111,280.60

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Solution

The fourth proportional to 113,934.16, 170,036.51 and 111,280.60 is: 166,076.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,934.16 : 170,036.51 = 111,280.60 : x
  2. Step 2: Convert to fraction form
    113,934.16/170,036.51 = 111,280.60/x
  3. Step 3: Cross multiply
    113,934.16x = 170,036.51 × 111,280.60
  4. Step 4: Simplify right side
    113,934.16x = 18,921,764,854.71
  5. Step 5: Solve for x
    x = 18,921,764,854.71/113,934.16
  6. Step 6: Final answer
    x = 166,076.31

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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.