Home / 146,035.15-201,528.53-78,967.15

Finding the Fourth Proportional to 146,035.15, 201,528.53 and 78,967.15

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Solution

The fourth proportional to 146,035.15, 201,528.53 and 78,967.15 is: 108,974.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,035.15 : 201,528.53 = 78,967.15 : x
  2. Step 2: Convert to fraction form
    146,035.15/201,528.53 = 78,967.15/x
  3. Step 3: Cross multiply
    146,035.15x = 201,528.53 × 78,967.15
  4. Step 4: Simplify right side
    146,035.15x = 15,914,133,262.95
  5. Step 5: Solve for x
    x = 15,914,133,262.95/146,035.15
  6. Step 6: Final answer
    x = 108,974.68

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1.5x scale

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.