Home / 111,460.25-153,868.05-70,644.75

Finding the Fourth Proportional to 111,460.25, 153,868.05 and 70,644.75

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Solution

The fourth proportional to 111,460.25, 153,868.05 and 70,644.75 is: 97,523.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,460.25 : 153,868.05 = 70,644.75 : x
  2. Step 2: Convert to fraction form
    111,460.25/153,868.05 = 70,644.75/x
  3. Step 3: Cross multiply
    111,460.25x = 153,868.05 × 70,644.75
  4. Step 4: Simplify right side
    111,460.25x = 10,869,969,925.24
  5. Step 5: Solve for x
    x = 10,869,969,925.24/111,460.25
  6. Step 6: Final answer
    x = 97,523.29

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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.