Home / 129,009.76-193,526.86-50,130.06

Finding the Fourth Proportional to 129,009.76, 193,526.86 and 50,130.06

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Solution

The fourth proportional to 129,009.76, 193,526.86 and 50,130.06 is: 75,199.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,009.76 : 193,526.86 = 50,130.06 : x
  2. Step 2: Convert to fraction form
    129,009.76/193,526.86 = 50,130.06/x
  3. Step 3: Cross multiply
    129,009.76x = 193,526.86 × 50,130.06
  4. Step 4: Simplify right side
    129,009.76x = 9,701,513,103.41
  5. Step 5: Solve for x
    x = 9,701,513,103.41/129,009.76
  6. Step 6: Final answer
    x = 75,199.84

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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.