Home / 189,435.85-261,420.18-104,552.91

Finding the Fourth Proportional to 189,435.85, 261,420.18 and 104,552.91

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Solution

The fourth proportional to 189,435.85, 261,420.18 and 104,552.91 is: 144,282.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,435.85 : 261,420.18 = 104,552.91 : x
  2. Step 2: Convert to fraction form
    189,435.85/261,420.18 = 104,552.91/x
  3. Step 3: Cross multiply
    189,435.85x = 261,420.18 × 104,552.91
  4. Step 4: Simplify right side
    189,435.85x = 27,332,240,159.65
  5. Step 5: Solve for x
    x = 27,332,240,159.65/189,435.85
  6. Step 6: Final answer
    x = 144,282.30

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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.