Home / 319,940.32-441,603.04-183,989.12

Finding the Fourth Proportional to 319,940.32, 441,603.04 and 183,989.12

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Solution

The fourth proportional to 319,940.32, 441,603.04 and 183,989.12 is: 253,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,940.32 : 441,603.04 = 183,989.12 : x
  2. Step 2: Convert to fraction form
    319,940.32/441,603.04 = 183,989.12/x
  3. Step 3: Cross multiply
    319,940.32x = 441,603.04 × 183,989.12
  4. Step 4: Simplify right side
    319,940.32x = 81,250,154,718.92
  5. Step 5: Solve for x
    x = 81,250,154,718.92/319,940.32
  6. Step 6: Final answer
    x = 253,954.10

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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.