Home / 100,330.18-150,509.07-58,230.06

Finding the Fourth Proportional to 100,330.18, 150,509.07 and 58,230.06

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Solution

The fourth proportional to 100,330.18, 150,509.07 and 58,230.06 is: 87,353.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,330.18 : 150,509.07 = 58,230.06 : x
  2. Step 2: Convert to fraction form
    100,330.18/150,509.07 = 58,230.06/x
  3. Step 3: Cross multiply
    100,330.18x = 150,509.07 × 58,230.06
  4. Step 4: Simplify right side
    100,330.18x = 8,764,151,612.24
  5. Step 5: Solve for x
    x = 8,764,151,612.24/100,330.18
  6. Step 6: Final answer
    x = 87,353.10

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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.