Home / 189,200.08-261,095.79-104,317.39

Finding the Fourth Proportional to 189,200.08, 261,095.79 and 104,317.39

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Solution

The fourth proportional to 189,200.08, 261,095.79 and 104,317.39 is: 143,957.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,200.08 : 261,095.79 = 104,317.39 : x
  2. Step 2: Convert to fraction form
    189,200.08/261,095.79 = 104,317.39/x
  3. Step 3: Cross multiply
    189,200.08x = 261,095.79 × 104,317.39
  4. Step 4: Simplify right side
    189,200.08x = 27,236,831,352.79
  5. Step 5: Solve for x
    x = 27,236,831,352.79/189,200.08
  6. Step 6: Final answer
    x = 143,957.82

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1.5x scale

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.