Home / 122,931.26-169,644.72-69,216.52

Finding the Fourth Proportional to 122,931.26, 169,644.72 and 69,216.52

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Solution

The fourth proportional to 122,931.26, 169,644.72 and 69,216.52 is: 95,518.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,931.26 : 169,644.72 = 69,216.52 : x
  2. Step 2: Convert to fraction form
    122,931.26/169,644.72 = 69,216.52/x
  3. Step 3: Cross multiply
    122,931.26x = 169,644.72 × 69,216.52
  4. Step 4: Simplify right side
    122,931.26x = 11,742,217,154.77
  5. Step 5: Solve for x
    x = 11,742,217,154.77/122,931.26
  6. Step 6: Final answer
    x = 95,518.56

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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.