Home / 247,023.18-340,855.20-139,592.34

Finding the Fourth Proportional to 247,023.18, 340,855.20 and 139,592.34

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Solution

The fourth proportional to 247,023.18, 340,855.20 and 139,592.34 is: 192,616.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,023.18 : 340,855.20 = 139,592.34 : x
  2. Step 2: Convert to fraction form
    247,023.18/340,855.20 = 139,592.34/x
  3. Step 3: Cross multiply
    247,023.18x = 340,855.20 × 139,592.34
  4. Step 4: Simplify right side
    247,023.18x = 47,580,774,969.17
  5. Step 5: Solve for x
    x = 47,580,774,969.17/247,023.18
  6. Step 6: Final answer
    x = 192,616.64

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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.