Home / 201,740.10-302,585.85-83,399.10

Finding the Fourth Proportional to 201,740.10, 302,585.85 and 83,399.10

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Solution

The fourth proportional to 201,740.10, 302,585.85 and 83,399.10 is: 125,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,740.10 : 302,585.85 = 83,399.10 : x
  2. Step 2: Convert to fraction form
    201,740.10/302,585.85 = 83,399.10/x
  3. Step 3: Cross multiply
    201,740.10x = 302,585.85 × 83,399.10
  4. Step 4: Simplify right side
    201,740.10x = 25,235,387,562.74
  5. Step 5: Solve for x
    x = 25,235,387,562.74/201,740.10
  6. Step 6: Final answer
    x = 125,088.60

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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.