Home / 189,453.40-261,445.53-104,570.26

Finding the Fourth Proportional to 189,453.40, 261,445.53 and 104,570.26

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Solution

The fourth proportional to 189,453.40, 261,445.53 and 104,570.26 is: 144,306.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,453.40 : 261,445.53 = 104,570.26 : x
  2. Step 2: Convert to fraction form
    189,453.40/261,445.53 = 104,570.26/x
  3. Step 3: Cross multiply
    189,453.40x = 261,445.53 × 104,570.26
  4. Step 4: Simplify right side
    189,453.40x = 27,339,427,047.94
  5. Step 5: Solve for x
    x = 27,339,427,047.94/189,453.40
  6. Step 6: Final answer
    x = 144,306.87

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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.