Home / 105,689.30-158,533.61-26,803.33

Finding the Fourth Proportional to 105,689.30, 158,533.61 and 26,803.33

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Solution

The fourth proportional to 105,689.30, 158,533.61 and 26,803.33 is: 40,204.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,689.30 : 158,533.61 = 26,803.33 : x
  2. Step 2: Convert to fraction form
    105,689.30/158,533.61 = 26,803.33/x
  3. Step 3: Cross multiply
    105,689.30x = 158,533.61 × 26,803.33
  4. Step 4: Simplify right side
    105,689.30x = 4,249,228,134.57
  5. Step 5: Solve for x
    x = 4,249,228,134.57/105,689.30
  6. Step 6: Final answer
    x = 40,204.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.