Home / 117,391.72-176,113.50-64,774.12

Finding the Fourth Proportional to 117,391.72, 176,113.50 and 64,774.12

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Solution

The fourth proportional to 117,391.72, 176,113.50 and 64,774.12 is: 97,175.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,391.72 : 176,113.50 = 64,774.12 : x
  2. Step 2: Convert to fraction form
    117,391.72/176,113.50 = 64,774.12/x
  3. Step 3: Cross multiply
    117,391.72x = 176,113.50 × 64,774.12
  4. Step 4: Simplify right side
    117,391.72x = 11,407,596,982.62
  5. Step 5: Solve for x
    x = 11,407,596,982.62/117,391.72
  6. Step 6: Final answer
    x = 97,175.48

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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.