Home / 181,982.71-251,137.13-105,547.11

Finding the Fourth Proportional to 181,982.71, 251,137.13 and 105,547.11

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Solution

The fourth proportional to 181,982.71, 251,137.13 and 105,547.11 is: 145,655.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,982.71 : 251,137.13 = 105,547.11 : x
  2. Step 2: Convert to fraction form
    181,982.71/251,137.13 = 105,547.11/x
  3. Step 3: Cross multiply
    181,982.71x = 251,137.13 × 105,547.11
  4. Step 4: Simplify right side
    181,982.71x = 26,506,798,285.19
  5. Step 5: Solve for x
    x = 26,506,798,285.19/181,982.71
  6. Step 6: Final answer
    x = 145,655.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.