Home / 181,868.10-272,802.15-134,628.90

Finding the Fourth Proportional to 181,868.10, 272,802.15 and 134,628.90

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Solution

The fourth proportional to 181,868.10, 272,802.15 and 134,628.90 is: 201,943.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,868.10 : 272,802.15 = 134,628.90 : x
  2. Step 2: Convert to fraction form
    181,868.10/272,802.15 = 134,628.90/x
  3. Step 3: Cross multiply
    181,868.10x = 272,802.15 × 134,628.90
  4. Step 4: Simplify right side
    181,868.10x = 36,727,053,372.14
  5. Step 5: Solve for x
    x = 36,727,053,372.14/181,868.10
  6. Step 6: Final answer
    x = 201,943.35

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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.