Home / 307,502.40-461,301.12-130,010.16

Finding the Fourth Proportional to 307,502.40, 461,301.12 and 130,010.16

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Solution

The fourth proportional to 307,502.40, 461,301.12 and 130,010.16 is: 195,035.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,502.40 : 461,301.12 = 130,010.16 : x
  2. Step 2: Convert to fraction form
    307,502.40/461,301.12 = 130,010.16/x
  3. Step 3: Cross multiply
    307,502.40x = 461,301.12 × 130,010.16
  4. Step 4: Simplify right side
    307,502.40x = 59,973,832,419.38
  5. Step 5: Solve for x
    x = 59,973,832,419.38/307,502.40
  6. Step 6: Final answer
    x = 195,035.33

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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.