Home / 102,084.34-153,170.43-35,488.21

Finding the Fourth Proportional to 102,084.34, 153,170.43 and 35,488.21

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Solution

The fourth proportional to 102,084.34, 153,170.43 and 35,488.21 is: 53,247.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,084.34 : 153,170.43 = 35,488.21 : x
  2. Step 2: Convert to fraction form
    102,084.34/153,170.43 = 35,488.21/x
  3. Step 3: Cross multiply
    102,084.34x = 153,170.43 × 35,488.21
  4. Step 4: Simplify right side
    102,084.34x = 5,435,744,385.63
  5. Step 5: Solve for x
    x = 5,435,744,385.63/102,084.34
  6. Step 6: Final answer
    x = 53,247.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.