Home / 129,026.20-193,539.30-35,541.40

Finding the Fourth Proportional to 129,026.20, 193,539.30 and 35,541.40

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Solution

The fourth proportional to 129,026.20, 193,539.30 and 35,541.40 is: 53,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,026.20 : 193,539.30 = 35,541.40 : x
  2. Step 2: Convert to fraction form
    129,026.20/193,539.30 = 35,541.40/x
  3. Step 3: Cross multiply
    129,026.20x = 193,539.30 × 35,541.40
  4. Step 4: Simplify right side
    129,026.20x = 6,878,657,677.02
  5. Step 5: Solve for x
    x = 6,878,657,677.02/129,026.20
  6. Step 6: Final answer
    x = 53,312.10

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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.