Home / 106,665.12-147,195.36-58,914.72

Finding the Fourth Proportional to 106,665.12, 147,195.36 and 58,914.72

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Solution

The fourth proportional to 106,665.12, 147,195.36 and 58,914.72 is: 81,300.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,665.12 : 147,195.36 = 58,914.72 : x
  2. Step 2: Convert to fraction form
    106,665.12/147,195.36 = 58,914.72/x
  3. Step 3: Cross multiply
    106,665.12x = 147,195.36 × 58,914.72
  4. Step 4: Simplify right side
    106,665.12x = 8,671,973,419.70
  5. Step 5: Solve for x
    x = 8,671,973,419.70/106,665.12
  6. Step 6: Final answer
    x = 81,300.93

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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.