Home / 189,317.61-261,259.20-104,434.68

Finding the Fourth Proportional to 189,317.61, 261,259.20 and 104,434.68

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Solution

The fourth proportional to 189,317.61, 261,259.20 and 104,434.68 is: 144,120.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,317.61 : 261,259.20 = 104,434.68 : x
  2. Step 2: Convert to fraction form
    189,317.61/261,259.20 = 104,434.68/x
  3. Step 3: Cross multiply
    189,317.61x = 261,259.20 × 104,434.68
  4. Step 4: Simplify right side
    189,317.61x = 27,284,520,949.06
  5. Step 5: Solve for x
    x = 27,284,520,949.06/189,317.61
  6. Step 6: Final answer
    x = 144,120.35

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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.