Home / 106,943.36-147,579.72-59,193.92

Finding the Fourth Proportional to 106,943.36, 147,579.72 and 59,193.92

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Solution

The fourth proportional to 106,943.36, 147,579.72 and 59,193.92 is: 81,686.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,943.36 : 147,579.72 = 59,193.92 : x
  2. Step 2: Convert to fraction form
    106,943.36/147,579.72 = 59,193.92/x
  3. Step 3: Cross multiply
    106,943.36x = 147,579.72 × 59,193.92
  4. Step 4: Simplify right side
    106,943.36x = 8,735,822,139.30
  5. Step 5: Solve for x
    x = 8,735,822,139.30/106,943.36
  6. Step 6: Final answer
    x = 81,686.44

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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.