Home / 181,717.56-272,459.70-119,315.16

Finding the Fourth Proportional to 181,717.56, 272,459.70 and 119,315.16

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Solution

The fourth proportional to 181,717.56, 272,459.70 and 119,315.16 is: 178,896.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,717.56 : 272,459.70 = 119,315.16 : x
  2. Step 2: Convert to fraction form
    181,717.56/272,459.70 = 119,315.16/x
  3. Step 3: Cross multiply
    181,717.56x = 272,459.70 × 119,315.16
  4. Step 4: Simplify right side
    181,717.56x = 32,508,572,699.05
  5. Step 5: Solve for x
    x = 32,508,572,699.05/181,717.56
  6. Step 6: Final answer
    x = 178,896.15

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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.