Home / 111,260.44-153,559.56-70,986.70

Finding the Fourth Proportional to 111,260.44, 153,559.56 and 70,986.70

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Solution

The fourth proportional to 111,260.44, 153,559.56 and 70,986.70 is: 97,974.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,260.44 : 153,559.56 = 70,986.70 : x
  2. Step 2: Convert to fraction form
    111,260.44/153,559.56 = 70,986.70/x
  3. Step 3: Cross multiply
    111,260.44x = 153,559.56 × 70,986.70
  4. Step 4: Simplify right side
    111,260.44x = 10,900,686,417.85
  5. Step 5: Solve for x
    x = 10,900,686,417.85/111,260.44
  6. Step 6: Final answer
    x = 97,974.50

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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.