Home / 316,741.64-436,937.74-195,844.28

Finding the Fourth Proportional to 316,741.64, 436,937.74 and 195,844.28

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Solution

The fourth proportional to 316,741.64, 436,937.74 and 195,844.28 is: 270,162.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,741.64 : 436,937.74 = 195,844.28 : x
  2. Step 2: Convert to fraction form
    316,741.64/436,937.74 = 195,844.28/x
  3. Step 3: Cross multiply
    316,741.64x = 436,937.74 × 195,844.28
  4. Step 4: Simplify right side
    316,741.64x = 85,571,754,420.83
  5. Step 5: Solve for x
    x = 85,571,754,420.83/316,741.64
  6. Step 6: Final answer
    x = 270,162.63

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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.