Home / 153,549.48-230,151.69-69,183.12

Finding the Fourth Proportional to 153,549.48, 230,151.69 and 69,183.12

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Solution

The fourth proportional to 153,549.48, 230,151.69 and 69,183.12 is: 103,696.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,549.48 : 230,151.69 = 69,183.12 : x
  2. Step 2: Convert to fraction form
    153,549.48/230,151.69 = 69,183.12/x
  3. Step 3: Cross multiply
    153,549.48x = 230,151.69 × 69,183.12
  4. Step 4: Simplify right side
    153,549.48x = 15,922,611,987.47
  5. Step 5: Solve for x
    x = 15,922,611,987.47/153,549.48
  6. Step 6: Final answer
    x = 103,696.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.