Home / 331,256.72-457,145.52-186,088.12

Finding the Fourth Proportional to 331,256.72, 457,145.52 and 186,088.12

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Solution

The fourth proportional to 331,256.72, 457,145.52 and 186,088.12 is: 256,807.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,256.72 : 457,145.52 = 186,088.12 : x
  2. Step 2: Convert to fraction form
    331,256.72/457,145.52 = 186,088.12/x
  3. Step 3: Cross multiply
    331,256.72x = 457,145.52 × 186,088.12
  4. Step 4: Simplify right side
    331,256.72x = 85,069,350,383.22
  5. Step 5: Solve for x
    x = 85,069,350,383.22/331,256.72
  6. Step 6: Final answer
    x = 256,807.92

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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.