Home / 146,386.53-201,990.45-85,146.27

Finding the Fourth Proportional to 146,386.53, 201,990.45 and 85,146.27

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Solution

The fourth proportional to 146,386.53, 201,990.45 and 85,146.27 is: 117,488.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,386.53 : 201,990.45 = 85,146.27 : x
  2. Step 2: Convert to fraction form
    146,386.53/201,990.45 = 85,146.27/x
  3. Step 3: Cross multiply
    146,386.53x = 201,990.45 × 85,146.27
  4. Step 4: Simplify right side
    146,386.53x = 17,198,733,393.12
  5. Step 5: Solve for x
    x = 17,198,733,393.12/146,386.53
  6. Step 6: Final answer
    x = 117,488.50

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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.