Home / 217,904.04-300,507.84-141,343.38

Finding the Fourth Proportional to 217,904.04, 300,507.84 and 141,343.38

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Solution

The fourth proportional to 217,904.04, 300,507.84 and 141,343.38 is: 194,924.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,904.04 : 300,507.84 = 141,343.38 : x
  2. Step 2: Convert to fraction form
    217,904.04/300,507.84 = 141,343.38/x
  3. Step 3: Cross multiply
    217,904.04x = 300,507.84 × 141,343.38
  4. Step 4: Simplify right side
    217,904.04x = 42,474,793,822.10
  5. Step 5: Solve for x
    x = 42,474,793,822.10/217,904.04
  6. Step 6: Final answer
    x = 194,924.31

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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.