Home / 202,374.36-279,275.04-111,730.50

Finding the Fourth Proportional to 202,374.36, 279,275.04 and 111,730.50

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Solution

The fourth proportional to 202,374.36, 279,275.04 and 111,730.50 is: 154,187.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,374.36 : 279,275.04 = 111,730.50 : x
  2. Step 2: Convert to fraction form
    202,374.36/279,275.04 = 111,730.50/x
  3. Step 3: Cross multiply
    202,374.36x = 279,275.04 × 111,730.50
  4. Step 4: Simplify right side
    202,374.36x = 31,203,539,856.72
  5. Step 5: Solve for x
    x = 31,203,539,856.72/202,374.36
  6. Step 6: Final answer
    x = 154,187.22

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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.