Home / 189,320.64-261,263.34-104,437.68

Finding the Fourth Proportional to 189,320.64, 261,263.34 and 104,437.68

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Solution

The fourth proportional to 189,320.64, 261,263.34 and 104,437.68 is: 144,124.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,320.64 : 261,263.34 = 104,437.68 : x
  2. Step 2: Convert to fraction form
    189,320.64/261,263.34 = 104,437.68/x
  3. Step 3: Cross multiply
    189,320.64x = 261,263.34 × 104,437.68
  4. Step 4: Simplify right side
    189,320.64x = 27,285,737,098.65
  5. Step 5: Solve for x
    x = 27,285,737,098.65/189,320.64
  6. Step 6: Final answer
    x = 144,124.47

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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.