Home / 232,502.07-320,814.64-136,995.78

Finding the Fourth Proportional to 232,502.07, 320,814.64 and 136,995.78

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Solution

The fourth proportional to 232,502.07, 320,814.64 and 136,995.78 is: 189,031.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,502.07 : 320,814.64 = 136,995.78 : x
  2. Step 2: Convert to fraction form
    232,502.07/320,814.64 = 136,995.78/x
  3. Step 3: Cross multiply
    232,502.07x = 320,814.64 × 136,995.78
  4. Step 4: Simplify right side
    232,502.07x = 43,950,251,842.22
  5. Step 5: Solve for x
    x = 43,950,251,842.22/232,502.07
  6. Step 6: Final answer
    x = 189,031.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.