Home / 208,189.04-312,313.05-64,106.71

Finding the Fourth Proportional to 208,189.04, 312,313.05 and 64,106.71

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Solution

The fourth proportional to 208,189.04, 312,313.05 and 64,106.71 is: 96,169.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,189.04 : 312,313.05 = 64,106.71 : x
  2. Step 2: Convert to fraction form
    208,189.04/312,313.05 = 64,106.71/x
  3. Step 3: Cross multiply
    208,189.04x = 312,313.05 × 64,106.71
  4. Step 4: Simplify right side
    208,189.04x = 20,021,361,344.78
  5. Step 5: Solve for x
    x = 20,021,361,344.78/208,189.04
  6. Step 6: Final answer
    x = 96,169.14

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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.