Home / 147,217.35-203,160.93-83,556.21

Finding the Fourth Proportional to 147,217.35, 203,160.93 and 83,556.21

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Solution

The fourth proportional to 147,217.35, 203,160.93 and 83,556.21 is: 115,308.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,217.35 : 203,160.93 = 83,556.21 : x
  2. Step 2: Convert to fraction form
    147,217.35/203,160.93 = 83,556.21/x
  3. Step 3: Cross multiply
    147,217.35x = 203,160.93 × 83,556.21
  4. Step 4: Simplify right side
    147,217.35x = 16,975,357,330.88
  5. Step 5: Solve for x
    x = 16,975,357,330.88/147,217.35
  6. Step 6: Final answer
    x = 115,308.13

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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.