Home / 578,099.68-867,128.69-151,632.10

Finding the Fourth Proportional to 578,099.68, 867,128.69 and 151,632.10

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Solution

The fourth proportional to 578,099.68, 867,128.69 and 151,632.10 is: 227,442.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,099.68 : 867,128.69 = 151,632.10 : x
  2. Step 2: Convert to fraction form
    578,099.68/867,128.69 = 151,632.10/x
  3. Step 3: Cross multiply
    578,099.68x = 867,128.69 × 151,632.10
  4. Step 4: Simplify right side
    578,099.68x = 131,484,545,697.94
  5. Step 5: Solve for x
    x = 131,484,545,697.94/578,099.68
  6. Step 6: Final answer
    x = 227,442.69

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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.