Home / 238,005.12-328,356.48-151,967.28

Finding the Fourth Proportional to 238,005.12, 328,356.48 and 151,967.28

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Solution

The fourth proportional to 238,005.12, 328,356.48 and 151,967.28 is: 209,657.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,005.12 : 328,356.48 = 151,967.28 : x
  2. Step 2: Convert to fraction form
    238,005.12/328,356.48 = 151,967.28/x
  3. Step 3: Cross multiply
    238,005.12x = 328,356.48 × 151,967.28
  4. Step 4: Simplify right side
    238,005.12x = 49,899,441,135.97
  5. Step 5: Solve for x
    x = 49,899,441,135.97/238,005.12
  6. Step 6: Final answer
    x = 209,657.01

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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.