Home / 106,666.84-147,179.88-64,228.12

Finding the Fourth Proportional to 106,666.84, 147,179.88 and 64,228.12

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Solution

The fourth proportional to 106,666.84, 147,179.88 and 64,228.12 is: 88,622.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,666.84 : 147,179.88 = 64,228.12 : x
  2. Step 2: Convert to fraction form
    106,666.84/147,179.88 = 64,228.12/x
  3. Step 3: Cross multiply
    106,666.84x = 147,179.88 × 64,228.12
  4. Step 4: Simplify right side
    106,666.84x = 9,453,086,994.23
  5. Step 5: Solve for x
    x = 9,453,086,994.23/106,666.84
  6. Step 6: Final answer
    x = 88,622.55

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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.