Home / 135,530.02-187,035.52-75,095.02

Finding the Fourth Proportional to 135,530.02, 187,035.52 and 75,095.02

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Solution

The fourth proportional to 135,530.02, 187,035.52 and 75,095.02 is: 103,633.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,530.02 : 187,035.52 = 75,095.02 : x
  2. Step 2: Convert to fraction form
    135,530.02/187,035.52 = 75,095.02/x
  3. Step 3: Cross multiply
    135,530.02x = 187,035.52 × 75,095.02
  4. Step 4: Simplify right side
    135,530.02x = 14,045,436,115.11
  5. Step 5: Solve for x
    x = 14,045,436,115.11/135,530.02
  6. Step 6: Final answer
    x = 103,633.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.