Home / 237,859.40-328,245.81-130,431.26

Finding the Fourth Proportional to 237,859.40, 328,245.81 and 130,431.26

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Solution

The fourth proportional to 237,859.40, 328,245.81 and 130,431.26 is: 179,995.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,859.40 : 328,245.81 = 130,431.26 : x
  2. Step 2: Convert to fraction form
    237,859.40/328,245.81 = 130,431.26/x
  3. Step 3: Cross multiply
    237,859.40x = 328,245.81 × 130,431.26
  4. Step 4: Simplify right side
    237,859.40x = 42,813,514,588.02
  5. Step 5: Solve for x
    x = 42,813,514,588.02/237,859.40
  6. Step 6: Final answer
    x = 179,995.05

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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.