Home / 129,042.80-193,564.20-35,548.40

Finding the Fourth Proportional to 129,042.80, 193,564.20 and 35,548.40

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Solution

The fourth proportional to 129,042.80, 193,564.20 and 35,548.40 is: 53,322.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,042.80 : 193,564.20 = 35,548.40 : x
  2. Step 2: Convert to fraction form
    129,042.80/193,564.20 = 35,548.40/x
  3. Step 3: Cross multiply
    129,042.80x = 193,564.20 × 35,548.40
  4. Step 4: Simplify right side
    129,042.80x = 6,880,897,607.28
  5. Step 5: Solve for x
    x = 6,880,897,607.28/129,042.80
  6. Step 6: Final answer
    x = 53,322.60

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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.