Home / 102,197.06-153,318.66-31,126.06

Finding the Fourth Proportional to 102,197.06, 153,318.66 and 31,126.06

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Solution

The fourth proportional to 102,197.06, 153,318.66 and 31,126.06 is: 46,696.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,197.06 : 153,318.66 = 31,126.06 : x
  2. Step 2: Convert to fraction form
    102,197.06/153,318.66 = 31,126.06/x
  3. Step 3: Cross multiply
    102,197.06x = 153,318.66 × 31,126.06
  4. Step 4: Simplify right side
    102,197.06x = 4,772,205,810.28
  5. Step 5: Solve for x
    x = 4,772,205,810.28/102,197.06
  6. Step 6: Final answer
    x = 46,696.12

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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.