Home / 226,386.02-312,227.33-140,285.18

Finding the Fourth Proportional to 226,386.02, 312,227.33 and 140,285.18

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Solution

The fourth proportional to 226,386.02, 312,227.33 and 140,285.18 is: 193,478.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,386.02 : 312,227.33 = 140,285.18 : x
  2. Step 2: Convert to fraction form
    226,386.02/312,227.33 = 140,285.18/x
  3. Step 3: Cross multiply
    226,386.02x = 312,227.33 × 140,285.18
  4. Step 4: Simplify right side
    226,386.02x = 43,800,867,269.11
  5. Step 5: Solve for x
    x = 43,800,867,269.11/226,386.02
  6. Step 6: Final answer
    x = 193,478.67

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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.