Home / 117,554.82-162,228.86-69,160.15

Finding the Fourth Proportional to 117,554.82, 162,228.86 and 69,160.15

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Solution

The fourth proportional to 117,554.82, 162,228.86 and 69,160.15 is: 95,442.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,554.82 : 162,228.86 = 69,160.15 : x
  2. Step 2: Convert to fraction form
    117,554.82/162,228.86 = 69,160.15/x
  3. Step 3: Cross multiply
    117,554.82x = 162,228.86 × 69,160.15
  4. Step 4: Simplify right side
    117,554.82x = 11,219,772,291.93
  5. Step 5: Solve for x
    x = 11,219,772,291.93/117,554.82
  6. Step 6: Final answer
    x = 95,442.89

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1.5x scale

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.