Home / 110,096.65-151,996.40-72,480.25

Finding the Fourth Proportional to 110,096.65, 151,996.40 and 72,480.25

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Solution

The fourth proportional to 110,096.65, 151,996.40 and 72,480.25 is: 100,064.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,096.65 : 151,996.40 = 72,480.25 : x
  2. Step 2: Convert to fraction form
    110,096.65/151,996.40 = 72,480.25/x
  3. Step 3: Cross multiply
    110,096.65x = 151,996.40 × 72,480.25
  4. Step 4: Simplify right side
    110,096.65x = 11,016,737,071.10
  5. Step 5: Solve for x
    x = 11,016,737,071.10/110,096.65
  6. Step 6: Final answer
    x = 100,064.24

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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.