Home / 117,564.18-162,239.75-63,850.25

Finding the Fourth Proportional to 117,564.18, 162,239.75 and 63,850.25

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Solution

The fourth proportional to 117,564.18, 162,239.75 and 63,850.25 is: 88,113.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,564.18 : 162,239.75 = 63,850.25 : x
  2. Step 2: Convert to fraction form
    117,564.18/162,239.75 = 63,850.25/x
  3. Step 3: Cross multiply
    117,564.18x = 162,239.75 × 63,850.25
  4. Step 4: Simplify right side
    117,564.18x = 10,359,047,466.99
  5. Step 5: Solve for x
    x = 10,359,047,466.99/117,564.18
  6. Step 6: Final answer
    x = 88,113.98

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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.