Home / 247,543.09-371,334.26-70,051.21

Finding the Fourth Proportional to 247,543.09, 371,334.26 and 70,051.21

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Solution

The fourth proportional to 247,543.09, 371,334.26 and 70,051.21 is: 105,082.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,543.09 : 371,334.26 = 70,051.21 : x
  2. Step 2: Convert to fraction form
    247,543.09/371,334.26 = 70,051.21/x
  3. Step 3: Cross multiply
    247,543.09x = 371,334.26 × 70,051.21
  4. Step 4: Simplify right side
    247,543.09x = 26,012,413,877.20
  5. Step 5: Solve for x
    x = 26,012,413,877.20/247,543.09
  6. Step 6: Final answer
    x = 105,082.37

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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.