Home / 191,252.61-286,616.48-121,006.17

Finding the Fourth Proportional to 191,252.61, 286,616.48 and 121,006.17

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Solution

The fourth proportional to 191,252.61, 286,616.48 and 121,006.17 is: 181,343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,252.61 : 286,616.48 = 121,006.17 : x
  2. Step 2: Convert to fraction form
    191,252.61/286,616.48 = 121,006.17/x
  3. Step 3: Cross multiply
    191,252.61x = 286,616.48 × 121,006.17
  4. Step 4: Simplify right side
    191,252.61x = 34,682,361,898.65
  5. Step 5: Solve for x
    x = 34,682,361,898.65/191,252.61
  6. Step 6: Final answer
    x = 181,343.21

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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.