Home / 106,556.28-147,066.71-63,538.55

Finding the Fourth Proportional to 106,556.28, 147,066.71 and 63,538.55

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Solution

The fourth proportional to 106,556.28, 147,066.71 and 63,538.55 is: 87,694.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,556.28 : 147,066.71 = 63,538.55 : x
  2. Step 2: Convert to fraction form
    106,556.28/147,066.71 = 63,538.55/x
  3. Step 3: Cross multiply
    106,556.28x = 147,066.71 × 63,538.55
  4. Step 4: Simplify right side
    106,556.28x = 9,344,405,506.67
  5. Step 5: Solve for x
    x = 9,344,405,506.67/106,556.28
  6. Step 6: Final answer
    x = 87,694.55

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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.