Home / 125,172.50-172,680.14-110,846.93

Finding the Fourth Proportional to 125,172.50, 172,680.14 and 110,846.93

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Solution

The fourth proportional to 125,172.50, 172,680.14 and 110,846.93 is: 152,917.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,172.50 : 172,680.14 = 110,846.93 : x
  2. Step 2: Convert to fraction form
    125,172.50/172,680.14 = 110,846.93/x
  3. Step 3: Cross multiply
    125,172.50x = 172,680.14 × 110,846.93
  4. Step 4: Simplify right side
    125,172.50x = 19,141,062,804.69
  5. Step 5: Solve for x
    x = 19,141,062,804.69/125,172.50
  6. Step 6: Final answer
    x = 152,917.48

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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.