Home / 134,080.35-201,194.40-81,526.74

Finding the Fourth Proportional to 134,080.35, 201,194.40 and 81,526.74

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Solution

The fourth proportional to 134,080.35, 201,194.40 and 81,526.74 is: 122,335.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,080.35 : 201,194.40 = 81,526.74 : x
  2. Step 2: Convert to fraction form
    134,080.35/201,194.40 = 81,526.74/x
  3. Step 3: Cross multiply
    134,080.35x = 201,194.40 × 81,526.74
  4. Step 4: Simplify right side
    134,080.35x = 16,402,723,538.26
  5. Step 5: Solve for x
    x = 16,402,723,538.26/134,080.35
  6. Step 6: Final answer
    x = 122,335.03

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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.