Home / 102,264.26-153,395.98-31,186.69

Finding the Fourth Proportional to 102,264.26, 153,395.98 and 31,186.69

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Solution

The fourth proportional to 102,264.26, 153,395.98 and 31,186.69 is: 46,779.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,264.26 : 153,395.98 = 31,186.69 : x
  2. Step 2: Convert to fraction form
    102,264.26/153,395.98 = 31,186.69/x
  3. Step 3: Cross multiply
    102,264.26x = 153,395.98 × 31,186.69
  4. Step 4: Simplify right side
    102,264.26x = 4,783,912,995.40
  5. Step 5: Solve for x
    x = 4,783,912,995.40/102,264.26
  6. Step 6: Final answer
    x = 46,779.91

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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.