Home / 201,624.10-302,144.55-89,212.30

Finding the Fourth Proportional to 201,624.10, 302,144.55 and 89,212.30

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Solution

The fourth proportional to 201,624.10, 302,144.55 and 89,212.30 is: 133,689.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,624.10 : 302,144.55 = 89,212.30 : x
  2. Step 2: Convert to fraction form
    201,624.10/302,144.55 = 89,212.30/x
  3. Step 3: Cross multiply
    201,624.10x = 302,144.55 × 89,212.30
  4. Step 4: Simplify right side
    201,624.10x = 26,955,010,237.97
  5. Step 5: Solve for x
    x = 26,955,010,237.97/201,624.10
  6. Step 6: Final answer
    x = 133,689.43

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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.