Home / 102,193.93-140,907-69,944.11

Finding the Fourth Proportional to 102,193.93, 140,907 and 69,944.11

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Solution

The fourth proportional to 102,193.93, 140,907 and 69,944.11 is: 96,440.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,193.93 : 140,907 = 69,944.11 : x
  2. Step 2: Convert to fraction form
    102,193.93/140,907 = 69,944.11/x
  3. Step 3: Cross multiply
    102,193.93x = 140,907 × 69,944.11
  4. Step 4: Simplify right side
    102,193.93x = 9,855,614,707.77
  5. Step 5: Solve for x
    x = 9,855,614,707.77/102,193.93
  6. Step 6: Final answer
    x = 96,440.31

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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.