Home / 189,531.34-261,550.11-104,646.22

Finding the Fourth Proportional to 189,531.34, 261,550.11 and 104,646.22

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Solution

The fourth proportional to 189,531.34, 261,550.11 and 104,646.22 is: 144,410.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,531.34 : 261,550.11 = 104,646.22 : x
  2. Step 2: Convert to fraction form
    189,531.34/261,550.11 = 104,646.22/x
  3. Step 3: Cross multiply
    189,531.34x = 261,550.11 × 104,646.22
  4. Step 4: Simplify right side
    189,531.34x = 27,370,230,352.08
  5. Step 5: Solve for x
    x = 27,370,230,352.08/189,531.34
  6. Step 6: Final answer
    x = 144,410.05

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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.