Home / 189,001.52-260,812.50-104,116.76

Finding the Fourth Proportional to 189,001.52, 260,812.50 and 104,116.76

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Solution

The fourth proportional to 189,001.52, 260,812.50 and 104,116.76 is: 143,675.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,001.52 : 260,812.50 = 104,116.76 : x
  2. Step 2: Convert to fraction form
    189,001.52/260,812.50 = 104,116.76/x
  3. Step 3: Cross multiply
    189,001.52x = 260,812.50 × 104,116.76
  4. Step 4: Simplify right side
    189,001.52x = 27,154,952,467.50
  5. Step 5: Solve for x
    x = 27,154,952,467.50/189,001.52
  6. Step 6: Final answer
    x = 143,675.84

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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.