Home / 191,623.08-287,411.94-51,391.56

Finding the Fourth Proportional to 191,623.08, 287,411.94 and 51,391.56

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Solution

The fourth proportional to 191,623.08, 287,411.94 and 51,391.56 is: 77,081.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,623.08 : 287,411.94 = 51,391.56 : x
  2. Step 2: Convert to fraction form
    191,623.08/287,411.94 = 51,391.56/x
  3. Step 3: Cross multiply
    191,623.08x = 287,411.94 × 51,391.56
  4. Step 4: Simplify right side
    191,623.08x = 14,770,547,959.23
  5. Step 5: Solve for x
    x = 14,770,547,959.23/191,623.08
  6. Step 6: Final answer
    x = 77,081.26

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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.