Home / 237,326.51-327,509.37-128,430.76

Finding the Fourth Proportional to 237,326.51, 327,509.37 and 128,430.76

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Solution

The fourth proportional to 237,326.51, 327,509.37 and 128,430.76 is: 177,233.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,326.51 : 327,509.37 = 128,430.76 : x
  2. Step 2: Convert to fraction form
    237,326.51/327,509.37 = 128,430.76/x
  3. Step 3: Cross multiply
    237,326.51x = 327,509.37 × 128,430.76
  4. Step 4: Simplify right side
    237,326.51x = 42,062,277,296.22
  5. Step 5: Solve for x
    x = 42,062,277,296.22/237,326.51
  6. Step 6: Final answer
    x = 177,233.79

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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.