Home / 189,683.48-261,773.70-104,798.72

Finding the Fourth Proportional to 189,683.48, 261,773.70 and 104,798.72

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Solution

The fourth proportional to 189,683.48, 261,773.70 and 104,798.72 is: 144,628.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,683.48 : 261,773.70 = 104,798.72 : x
  2. Step 2: Convert to fraction form
    189,683.48/261,773.70 = 104,798.72/x
  3. Step 3: Cross multiply
    189,683.48x = 261,773.70 × 104,798.72
  4. Step 4: Simplify right side
    189,683.48x = 27,433,548,689.66
  5. Step 5: Solve for x
    x = 27,433,548,689.66/189,683.48
  6. Step 6: Final answer
    x = 144,628.03

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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.