Home / 316,979.93-437,477.13-196,160.16

Finding the Fourth Proportional to 316,979.93, 437,477.13 and 196,160.16

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Solution

The fourth proportional to 316,979.93, 437,477.13 and 196,160.16 is: 270,728.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,979.93 : 437,477.13 = 196,160.16 : x
  2. Step 2: Convert to fraction form
    316,979.93/437,477.13 = 196,160.16/x
  3. Step 3: Cross multiply
    316,979.93x = 437,477.13 × 196,160.16
  4. Step 4: Simplify right side
    316,979.93x = 85,815,582,176.60
  5. Step 5: Solve for x
    x = 85,815,582,176.60/316,979.93
  6. Step 6: Final answer
    x = 270,728.76

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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.