Home / 189,443.23-261,430.35-104,560.29

Finding the Fourth Proportional to 189,443.23, 261,430.35 and 104,560.29

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Solution

The fourth proportional to 189,443.23, 261,430.35 and 104,560.29 is: 144,292.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,443.23 : 261,430.35 = 104,560.29 : x
  2. Step 2: Convert to fraction form
    189,443.23/261,430.35 = 104,560.29/x
  3. Step 3: Cross multiply
    189,443.23x = 261,430.35 × 104,560.29
  4. Step 4: Simplify right side
    189,443.23x = 27,335,233,210.80
  5. Step 5: Solve for x
    x = 27,335,233,210.80/189,443.23
  6. Step 6: Final answer
    x = 144,292.48

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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.