Home / 316,356.16-436,571.46-173,116.22

Finding the Fourth Proportional to 316,356.16, 436,571.46 and 173,116.22

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Solution

The fourth proportional to 316,356.16, 436,571.46 and 173,116.22 is: 238,900.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,356.16 : 436,571.46 = 173,116.22 : x
  2. Step 2: Convert to fraction form
    316,356.16/436,571.46 = 173,116.22/x
  3. Step 3: Cross multiply
    316,356.16x = 436,571.46 × 173,116.22
  4. Step 4: Simplify right side
    316,356.16x = 75,577,600,915.08
  5. Step 5: Solve for x
    x = 75,577,600,915.08/316,356.16
  6. Step 6: Final answer
    x = 238,900.36

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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.