Home / 105,237.68-157,857.05-30,358.24

Finding the Fourth Proportional to 105,237.68, 157,857.05 and 30,358.24

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Solution

The fourth proportional to 105,237.68, 157,857.05 and 30,358.24 is: 45,537.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,237.68 : 157,857.05 = 30,358.24 : x
  2. Step 2: Convert to fraction form
    105,237.68/157,857.05 = 30,358.24/x
  3. Step 3: Cross multiply
    105,237.68x = 157,857.05 × 30,358.24
  4. Step 4: Simplify right side
    105,237.68x = 4,792,262,778.79
  5. Step 5: Solve for x
    x = 4,792,262,778.79/105,237.68
  6. Step 6: Final answer
    x = 45,537.52

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1.5x scale

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.