Home / 255,108.64-352,049.92-141,931.36

Finding the Fourth Proportional to 255,108.64, 352,049.92 and 141,931.36

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Solution

The fourth proportional to 255,108.64, 352,049.92 and 141,931.36 is: 195,865.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,108.64 : 352,049.92 = 141,931.36 : x
  2. Step 2: Convert to fraction form
    255,108.64/352,049.92 = 141,931.36/x
  3. Step 3: Cross multiply
    255,108.64x = 352,049.92 × 141,931.36
  4. Step 4: Simplify right side
    255,108.64x = 49,966,923,933.49
  5. Step 5: Solve for x
    x = 49,966,923,933.49/255,108.64
  6. Step 6: Final answer
    x = 195,865.28

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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.