Home / 189,336.32-261,285.72-104,459.12

Finding the Fourth Proportional to 189,336.32, 261,285.72 and 104,459.12

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Solution

The fourth proportional to 189,336.32, 261,285.72 and 104,459.12 is: 144,154.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,336.32 : 261,285.72 = 104,459.12 : x
  2. Step 2: Convert to fraction form
    189,336.32/261,285.72 = 104,459.12/x
  3. Step 3: Cross multiply
    189,336.32x = 261,285.72 × 104,459.12
  4. Step 4: Simplify right side
    189,336.32x = 27,293,676,379.77
  5. Step 5: Solve for x
    x = 27,293,676,379.77/189,336.32
  6. Step 6: Final answer
    x = 144,154.47

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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.