Home / 119,941.34-165,518.28-66,225.86

Finding the Fourth Proportional to 119,941.34, 165,518.28 and 66,225.86

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Solution

The fourth proportional to 119,941.34, 165,518.28 and 66,225.86 is: 91,391.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,941.34 : 165,518.28 = 66,225.86 : x
  2. Step 2: Convert to fraction form
    119,941.34/165,518.28 = 66,225.86/x
  3. Step 3: Cross multiply
    119,941.34x = 165,518.28 × 66,225.86
  4. Step 4: Simplify right side
    119,941.34x = 10,961,590,438.72
  5. Step 5: Solve for x
    x = 10,961,590,438.72/119,941.34
  6. Step 6: Final answer
    x = 91,391.26

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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.