Home / 191,836.08-287,837.16-102,985.92

Finding the Fourth Proportional to 191,836.08, 287,837.16 and 102,985.92

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Solution

The fourth proportional to 191,836.08, 287,837.16 and 102,985.92 is: 154,523.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,836.08 : 287,837.16 = 102,985.92 : x
  2. Step 2: Convert to fraction form
    191,836.08/287,837.16 = 102,985.92/x
  3. Step 3: Cross multiply
    191,836.08x = 287,837.16 × 102,985.92
  4. Step 4: Simplify right side
    191,836.08x = 29,643,174,732.79
  5. Step 5: Solve for x
    x = 29,643,174,732.79/191,836.08
  6. Step 6: Final answer
    x = 154,523.46

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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.