Home / 238,570-329,191.02-136,579.36

Finding the Fourth Proportional to 238,570, 329,191.02 and 136,579.36

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Solution

The fourth proportional to 238,570, 329,191.02 and 136,579.36 is: 188,459.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,570 : 329,191.02 = 136,579.36 : x
  2. Step 2: Convert to fraction form
    238,570/329,191.02 = 136,579.36/x
  3. Step 3: Cross multiply
    238,570x = 329,191.02 × 136,579.36
  4. Step 4: Simplify right side
    238,570x = 44,960,698,829.35
  5. Step 5: Solve for x
    x = 44,960,698,829.35/238,570
  6. Step 6: Final answer
    x = 188,459.15

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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.