Home / 191,057.09-286,314.03-140,741.51

Finding the Fourth Proportional to 191,057.09, 286,314.03 and 140,741.51

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Solution

The fourth proportional to 191,057.09, 286,314.03 and 140,741.51 is: 210,912.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,057.09 : 286,314.03 = 140,741.51 : x
  2. Step 2: Convert to fraction form
    191,057.09/286,314.03 = 140,741.51/x
  3. Step 3: Cross multiply
    191,057.09x = 286,314.03 × 140,741.51
  4. Step 4: Simplify right side
    191,057.09x = 40,296,267,484.82
  5. Step 5: Solve for x
    x = 40,296,267,484.82/191,057.09
  6. Step 6: Final answer
    x = 210,912.19

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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.