Home / 156,907.24-216,532.38-85,287.16

Finding the Fourth Proportional to 156,907.24, 216,532.38 and 85,287.16

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Solution

The fourth proportional to 156,907.24, 216,532.38 and 85,287.16 is: 117,696.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,907.24 : 216,532.38 = 85,287.16 : x
  2. Step 2: Convert to fraction form
    156,907.24/216,532.38 = 85,287.16/x
  3. Step 3: Cross multiply
    156,907.24x = 216,532.38 × 85,287.16
  4. Step 4: Simplify right side
    156,907.24x = 18,467,431,738.24
  5. Step 5: Solve for x
    x = 18,467,431,738.24/156,907.24
  6. Step 6: Final answer
    x = 117,696.49

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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.