Home / 328,905.36-453,890.48-178,002.32

Finding the Fourth Proportional to 328,905.36, 453,890.48 and 178,002.32

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Solution

The fourth proportional to 328,905.36, 453,890.48 and 178,002.32 is: 245,643.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,905.36 : 453,890.48 = 178,002.32 : x
  2. Step 2: Convert to fraction form
    328,905.36/453,890.48 = 178,002.32/x
  3. Step 3: Cross multiply
    328,905.36x = 453,890.48 × 178,002.32
  4. Step 4: Simplify right side
    328,905.36x = 80,793,558,465.91
  5. Step 5: Solve for x
    x = 80,793,558,465.91/328,905.36
  6. Step 6: Final answer
    x = 245,643.79

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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.