Home / 147,095.64-203,035.46-86,685.75

Finding the Fourth Proportional to 147,095.64, 203,035.46 and 86,685.75

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Solution

The fourth proportional to 147,095.64, 203,035.46 and 86,685.75 is: 119,651.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,095.64 : 203,035.46 = 86,685.75 : x
  2. Step 2: Convert to fraction form
    147,095.64/203,035.46 = 86,685.75/x
  3. Step 3: Cross multiply
    147,095.64x = 203,035.46 × 86,685.75
  4. Step 4: Simplify right side
    147,095.64x = 17,600,280,693.27
  5. Step 5: Solve for x
    x = 17,600,280,693.27/147,095.64
  6. Step 6: Final answer
    x = 119,651.95

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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.