Home / 238,126.32-328,614.08-130,696.64

Finding the Fourth Proportional to 238,126.32, 328,614.08 and 130,696.64

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Solution

The fourth proportional to 238,126.32, 328,614.08 and 130,696.64 is: 180,361.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,126.32 : 328,614.08 = 130,696.64 : x
  2. Step 2: Convert to fraction form
    238,126.32/328,614.08 = 130,696.64/x
  3. Step 3: Cross multiply
    238,126.32x = 328,614.08 × 130,696.64
  4. Step 4: Simplify right side
    238,126.32x = 42,948,756,112.69
  5. Step 5: Solve for x
    x = 42,948,756,112.69/238,126.32
  6. Step 6: Final answer
    x = 180,361.23

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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.