Home / 129,051.68-193,577.31-84,667.86

Finding the Fourth Proportional to 129,051.68, 193,577.31 and 84,667.86

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Solution

The fourth proportional to 129,051.68, 193,577.31 and 84,667.86 is: 127,001.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,051.68 : 193,577.31 = 84,667.86 : x
  2. Step 2: Convert to fraction form
    129,051.68/193,577.31 = 84,667.86/x
  3. Step 3: Cross multiply
    129,051.68x = 193,577.31 × 84,667.86
  4. Step 4: Simplify right side
    129,051.68x = 16,389,776,582.26
  5. Step 5: Solve for x
    x = 16,389,776,582.26/129,051.68
  6. Step 6: Final answer
    x = 127,001.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.