Home / 106,536.29-147,015.09-61,182.30

Finding the Fourth Proportional to 106,536.29, 147,015.09 and 61,182.30

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Solution

The fourth proportional to 106,536.29, 147,015.09 and 61,182.30 is: 84,428.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,536.29 : 147,015.09 = 61,182.30 : x
  2. Step 2: Convert to fraction form
    106,536.29/147,015.09 = 61,182.30/x
  3. Step 3: Cross multiply
    106,536.29x = 147,015.09 × 61,182.30
  4. Step 4: Simplify right side
    106,536.29x = 8,994,721,340.91
  5. Step 5: Solve for x
    x = 8,994,721,340.91/106,536.29
  6. Step 6: Final answer
    x = 84,428.71

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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.