Home / 238,280.45-328,900.82-153,397.50

Finding the Fourth Proportional to 238,280.45, 328,900.82 and 153,397.50

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Solution

The fourth proportional to 238,280.45, 328,900.82 and 153,397.50 is: 211,736.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,280.45 : 328,900.82 = 153,397.50 : x
  2. Step 2: Convert to fraction form
    238,280.45/328,900.82 = 153,397.50/x
  3. Step 3: Cross multiply
    238,280.45x = 328,900.82 × 153,397.50
  4. Step 4: Simplify right side
    238,280.45x = 50,452,562,768.96
  5. Step 5: Solve for x
    x = 50,452,562,768.96/238,280.45
  6. Step 6: Final answer
    x = 211,736.06

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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.