Home / 157,502.96-236,185.12-57,637.20

Finding the Fourth Proportional to 157,502.96, 236,185.12 and 57,637.20

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Solution

The fourth proportional to 157,502.96, 236,185.12 and 57,637.20 is: 86,430.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,502.96 : 236,185.12 = 57,637.20 : x
  2. Step 2: Convert to fraction form
    157,502.96/236,185.12 = 57,637.20/x
  3. Step 3: Cross multiply
    157,502.96x = 236,185.12 × 57,637.20
  4. Step 4: Simplify right side
    157,502.96x = 13,613,048,998.46
  5. Step 5: Solve for x
    x = 13,613,048,998.46/157,502.96
  6. Step 6: Final answer
    x = 86,430.43

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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.