Home / 232,378.07-320,642.55-136,903.77

Finding the Fourth Proportional to 232,378.07, 320,642.55 and 136,903.77

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Solution

The fourth proportional to 232,378.07, 320,642.55 and 136,903.77 is: 188,904.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,378.07 : 320,642.55 = 136,903.77 : x
  2. Step 2: Convert to fraction form
    232,378.07/320,642.55 = 136,903.77/x
  3. Step 3: Cross multiply
    232,378.07x = 320,642.55 × 136,903.77
  4. Step 4: Simplify right side
    232,378.07x = 43,897,173,917.41
  5. Step 5: Solve for x
    x = 43,897,173,917.41/232,378.07
  6. Step 6: Final answer
    x = 188,904.12

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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.