Home / 247,004.41-340,861.64-139,572.13

Finding the Fourth Proportional to 247,004.41, 340,861.64 and 139,572.13

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Solution

The fourth proportional to 247,004.41, 340,861.64 and 139,572.13 is: 192,607.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,004.41 : 340,861.64 = 139,572.13 : x
  2. Step 2: Convert to fraction form
    247,004.41/340,861.64 = 139,572.13/x
  3. Step 3: Cross multiply
    247,004.41x = 340,861.64 × 139,572.13
  4. Step 4: Simplify right side
    247,004.41x = 47,574,784,432.23
  5. Step 5: Solve for x
    x = 47,574,784,432.23/247,004.41
  6. Step 6: Final answer
    x = 192,607.02

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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.