Home / 237,326.56-327,509.44-128,430.81

Finding the Fourth Proportional to 237,326.56, 327,509.44 and 128,430.81

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Solution

The fourth proportional to 237,326.56, 327,509.44 and 128,430.81 is: 177,233.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,326.56 : 327,509.44 = 128,430.81 : x
  2. Step 2: Convert to fraction form
    237,326.56/327,509.44 = 128,430.81/x
  3. Step 3: Cross multiply
    237,326.56x = 327,509.44 × 128,430.81
  4. Step 4: Simplify right side
    237,326.56x = 42,062,302,340.77
  5. Step 5: Solve for x
    x = 42,062,302,340.77/237,326.56
  6. Step 6: Final answer
    x = 177,233.86

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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.