Home / 117,515.28-176,235.48-38,611.20

Finding the Fourth Proportional to 117,515.28, 176,235.48 and 38,611.20

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Solution

The fourth proportional to 117,515.28, 176,235.48 and 38,611.20 is: 57,904.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,515.28 : 176,235.48 = 38,611.20 : x
  2. Step 2: Convert to fraction form
    117,515.28/176,235.48 = 38,611.20/x
  3. Step 3: Cross multiply
    117,515.28x = 176,235.48 × 38,611.20
  4. Step 4: Simplify right side
    117,515.28x = 6,804,663,365.38
  5. Step 5: Solve for x
    x = 6,804,663,365.38/117,515.28
  6. Step 6: Final answer
    x = 57,904.50

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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.