Home / 457,565.36-686,456.96-158,048.40

Finding the Fourth Proportional to 457,565.36, 686,456.96 and 158,048.40

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Solution

The fourth proportional to 457,565.36, 686,456.96 and 158,048.40 is: 237,110.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,565.36 : 686,456.96 = 158,048.40 : x
  2. Step 2: Convert to fraction form
    457,565.36/686,456.96 = 158,048.40/x
  3. Step 3: Cross multiply
    457,565.36x = 686,456.96 × 158,048.40
  4. Step 4: Simplify right side
    457,565.36x = 108,493,424,196.86
  5. Step 5: Solve for x
    x = 108,493,424,196.86/457,565.36
  6. Step 6: Final answer
    x = 237,110.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.