Home / 199,557.12-275,424.32-118,989.92

Finding the Fourth Proportional to 199,557.12, 275,424.32 and 118,989.92

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Solution

The fourth proportional to 199,557.12, 275,424.32 and 118,989.92 is: 164,227.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,557.12 : 275,424.32 = 118,989.92 : x
  2. Step 2: Convert to fraction form
    199,557.12/275,424.32 = 118,989.92/x
  3. Step 3: Cross multiply
    199,557.12x = 275,424.32 × 118,989.92
  4. Step 4: Simplify right side
    199,557.12x = 32,772,717,802.85
  5. Step 5: Solve for x
    x = 32,772,717,802.85/199,557.12
  6. Step 6: Final answer
    x = 164,227.25

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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.