Home / 102,167.40-153,256.86-31,092.35

Finding the Fourth Proportional to 102,167.40, 153,256.86 and 31,092.35

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Solution

The fourth proportional to 102,167.40, 153,256.86 and 31,092.35 is: 46,640.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,167.40 : 153,256.86 = 31,092.35 : x
  2. Step 2: Convert to fraction form
    102,167.40/153,256.86 = 31,092.35/x
  3. Step 3: Cross multiply
    102,167.40x = 153,256.86 × 31,092.35
  4. Step 4: Simplify right side
    102,167.40x = 4,765,115,931.02
  5. Step 5: Solve for x
    x = 4,765,115,931.02/102,167.40
  6. Step 6: Final answer
    x = 46,640.28

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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.