Home / 191,039.10-286,521.90-181,556.10

Finding the Fourth Proportional to 191,039.10, 286,521.90 and 181,556.10

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Solution

The fourth proportional to 191,039.10, 286,521.90 and 181,556.10 is: 272,299.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,039.10 : 286,521.90 = 181,556.10 : x
  2. Step 2: Convert to fraction form
    191,039.10/286,521.90 = 181,556.10/x
  3. Step 3: Cross multiply
    191,039.10x = 286,521.90 × 181,556.10
  4. Step 4: Simplify right side
    191,039.10x = 52,019,798,728.59
  5. Step 5: Solve for x
    x = 52,019,798,728.59/191,039.10
  6. Step 6: Final answer
    x = 272,299.22

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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.