Home / 106,575.60-147,073.68-64,125.12

Finding the Fourth Proportional to 106,575.60, 147,073.68 and 64,125.12

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Solution

The fourth proportional to 106,575.60, 147,073.68 and 64,125.12 is: 88,492.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,575.60 : 147,073.68 = 64,125.12 : x
  2. Step 2: Convert to fraction form
    106,575.60/147,073.68 = 64,125.12/x
  3. Step 3: Cross multiply
    106,575.60x = 147,073.68 × 64,125.12
  4. Step 4: Simplify right side
    106,575.60x = 9,431,117,378.84
  5. Step 5: Solve for x
    x = 9,431,117,378.84/106,575.60
  6. Step 6: Final answer
    x = 88,492.28

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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.