Home / 156,987.06-235,488.73-51,814.23

Finding the Fourth Proportional to 156,987.06, 235,488.73 and 51,814.23

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Solution

The fourth proportional to 156,987.06, 235,488.73 and 51,814.23 is: 77,724.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,987.06 : 235,488.73 = 51,814.23 : x
  2. Step 2: Convert to fraction form
    156,987.06/235,488.73 = 51,814.23/x
  3. Step 3: Cross multiply
    156,987.06x = 235,488.73 × 51,814.23
  4. Step 4: Simplify right side
    156,987.06x = 12,201,667,218.63
  5. Step 5: Solve for x
    x = 12,201,667,218.63/156,987.06
  6. Step 6: Final answer
    x = 77,724.03

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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.