Home / 134,689.32-185,951-119,744.04

Finding the Fourth Proportional to 134,689.32, 185,951 and 119,744.04

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Solution

The fourth proportional to 134,689.32, 185,951 and 119,744.04 is: 165,317.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,689.32 : 185,951 = 119,744.04 : x
  2. Step 2: Convert to fraction form
    134,689.32/185,951 = 119,744.04/x
  3. Step 3: Cross multiply
    134,689.32x = 185,951 × 119,744.04
  4. Step 4: Simplify right side
    134,689.32x = 22,266,523,982.04
  5. Step 5: Solve for x
    x = 22,266,523,982.04/134,689.32
  6. Step 6: Final answer
    x = 165,317.67

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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.