Home / 129,009.50-193,526.48-50,129.82

Finding the Fourth Proportional to 129,009.50, 193,526.48 and 50,129.82

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Solution

The fourth proportional to 129,009.50, 193,526.48 and 50,129.82 is: 75,199.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,009.50 : 193,526.48 = 50,129.82 : x
  2. Step 2: Convert to fraction form
    129,009.50/193,526.48 = 50,129.82/x
  3. Step 3: Cross multiply
    129,009.50x = 193,526.48 × 50,129.82
  4. Step 4: Simplify right side
    129,009.50x = 9,701,447,607.63
  5. Step 5: Solve for x
    x = 9,701,447,607.63/129,009.50
  6. Step 6: Final answer
    x = 75,199.48

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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.