Home / 106,883.90-147,476.80-64,441.52

Finding the Fourth Proportional to 106,883.90, 147,476.80 and 64,441.52

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Solution

The fourth proportional to 106,883.90, 147,476.80 and 64,441.52 is: 88,915.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,883.90 : 147,476.80 = 64,441.52 : x
  2. Step 2: Convert to fraction form
    106,883.90/147,476.80 = 64,441.52/x
  3. Step 3: Cross multiply
    106,883.90x = 147,476.80 × 64,441.52
  4. Step 4: Simplify right side
    106,883.90x = 9,503,628,258.25
  5. Step 5: Solve for x
    x = 9,503,628,258.25/106,883.90
  6. Step 6: Final answer
    x = 88,915.44

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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.