Home / 238,254.30-328,820.56-136,265.60

Finding the Fourth Proportional to 238,254.30, 328,820.56 and 136,265.60

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Solution

The fourth proportional to 238,254.30, 328,820.56 and 136,265.60 is: 188,063.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,254.30 : 328,820.56 = 136,265.60 : x
  2. Step 2: Convert to fraction form
    238,254.30/328,820.56 = 136,265.60/x
  3. Step 3: Cross multiply
    238,254.30x = 328,820.56 × 136,265.60
  4. Step 4: Simplify right side
    238,254.30x = 44,806,931,382.12
  5. Step 5: Solve for x
    x = 44,806,931,382.12/238,254.30
  6. Step 6: Final answer
    x = 188,063.47

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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.