Home / 156,422.72-234,668.24-56,572.49

Finding the Fourth Proportional to 156,422.72, 234,668.24 and 56,572.49

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Solution

The fourth proportional to 156,422.72, 234,668.24 and 56,572.49 is: 84,871.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,422.72 : 234,668.24 = 56,572.49 : x
  2. Step 2: Convert to fraction form
    156,422.72/234,668.24 = 56,572.49/x
  3. Step 3: Cross multiply
    156,422.72x = 234,668.24 × 56,572.49
  4. Step 4: Simplify right side
    156,422.72x = 13,275,765,204.51
  5. Step 5: Solve for x
    x = 13,275,765,204.51/156,422.72
  6. Step 6: Final answer
    x = 84,871.08

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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.