Home / 237,859.90-328,246.50-130,431.76

Finding the Fourth Proportional to 237,859.90, 328,246.50 and 130,431.76

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Solution

The fourth proportional to 237,859.90, 328,246.50 and 130,431.76 is: 179,995.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,859.90 : 328,246.50 = 130,431.76 : x
  2. Step 2: Convert to fraction form
    237,859.90/328,246.50 = 130,431.76/x
  3. Step 3: Cross multiply
    237,859.90x = 328,246.50 × 130,431.76
  4. Step 4: Simplify right side
    237,859.90x = 42,813,768,708.84
  5. Step 5: Solve for x
    x = 42,813,768,708.84/237,859.90
  6. Step 6: Final answer
    x = 179,995.74

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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.