Home / 189,681.62-284,566.77-100,914.93

Finding the Fourth Proportional to 189,681.62, 284,566.77 and 100,914.93

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Solution

The fourth proportional to 189,681.62, 284,566.77 and 100,914.93 is: 151,395.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,681.62 : 284,566.77 = 100,914.93 : x
  2. Step 2: Convert to fraction form
    189,681.62/284,566.77 = 100,914.93/x
  3. Step 3: Cross multiply
    189,681.62x = 284,566.77 × 100,914.93
  4. Step 4: Simplify right side
    189,681.62x = 28,717,035,674.88
  5. Step 5: Solve for x
    x = 28,717,035,674.88/189,681.62
  6. Step 6: Final answer
    x = 151,395.99

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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.