Home / 226,870.10-340,225.71-66,903.56

Finding the Fourth Proportional to 226,870.10, 340,225.71 and 66,903.56

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Solution

The fourth proportional to 226,870.10, 340,225.71 and 66,903.56 is: 100,331.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,870.10 : 340,225.71 = 66,903.56 : x
  2. Step 2: Convert to fraction form
    226,870.10/340,225.71 = 66,903.56/x
  3. Step 3: Cross multiply
    226,870.10x = 340,225.71 × 66,903.56
  4. Step 4: Simplify right side
    226,870.10x = 22,762,309,501.40
  5. Step 5: Solve for x
    x = 22,762,309,501.40/226,870.10
  6. Step 6: Final answer
    x = 100,331.91

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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.