Home / 158,139.92-237,161.10-83,219.42

Finding the Fourth Proportional to 158,139.92, 237,161.10 and 83,219.42

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Solution

The fourth proportional to 158,139.92, 237,161.10 and 83,219.42 is: 124,803.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,139.92 : 237,161.10 = 83,219.42 : x
  2. Step 2: Convert to fraction form
    158,139.92/237,161.10 = 83,219.42/x
  3. Step 3: Cross multiply
    158,139.92x = 237,161.10 × 83,219.42
  4. Step 4: Simplify right side
    158,139.92x = 19,736,409,188.56
  5. Step 5: Solve for x
    x = 19,736,409,188.56/158,139.92
  6. Step 6: Final answer
    x = 124,803.46

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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.