Home / 247,905.72-342,100.26-134,726.04

Finding the Fourth Proportional to 247,905.72, 342,100.26 and 134,726.04

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Solution

The fourth proportional to 247,905.72, 342,100.26 and 134,726.04 is: 185,916.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,905.72 : 342,100.26 = 134,726.04 : x
  2. Step 2: Convert to fraction form
    247,905.72/342,100.26 = 134,726.04/x
  3. Step 3: Cross multiply
    247,905.72x = 342,100.26 × 134,726.04
  4. Step 4: Simplify right side
    247,905.72x = 46,089,813,312.77
  5. Step 5: Solve for x
    x = 46,089,813,312.77/247,905.72
  6. Step 6: Final answer
    x = 185,916.70

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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.