Home / 189,385.34-261,344.13-104,501.30

Finding the Fourth Proportional to 189,385.34, 261,344.13 and 104,501.30

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Solution

The fourth proportional to 189,385.34, 261,344.13 and 104,501.30 is: 144,207.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,385.34 : 261,344.13 = 104,501.30 : x
  2. Step 2: Convert to fraction form
    189,385.34/261,344.13 = 104,501.30/x
  3. Step 3: Cross multiply
    189,385.34x = 261,344.13 × 104,501.30
  4. Step 4: Simplify right side
    189,385.34x = 27,310,801,332.37
  5. Step 5: Solve for x
    x = 27,310,801,332.37/189,385.34
  6. Step 6: Final answer
    x = 144,207.58

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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.