Home / 237,859.20-328,260.87-157,145.13

Finding the Fourth Proportional to 237,859.20, 328,260.87 and 157,145.13

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Solution

The fourth proportional to 237,859.20, 328,260.87 and 157,145.13 is: 216,870.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,859.20 : 328,260.87 = 157,145.13 : x
  2. Step 2: Convert to fraction form
    237,859.20/328,260.87 = 157,145.13/x
  3. Step 3: Cross multiply
    237,859.20x = 328,260.87 × 157,145.13
  4. Step 4: Simplify right side
    237,859.20x = 51,584,597,090.06
  5. Step 5: Solve for x
    x = 51,584,597,090.06/237,859.20
  6. Step 6: Final answer
    x = 216,870.30

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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.