Home / 113,915.24-157,198.02-63,613.16

Finding the Fourth Proportional to 113,915.24, 157,198.02 and 63,613.16

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Solution

The fourth proportional to 113,915.24, 157,198.02 and 63,613.16 is: 87,783.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,915.24 : 157,198.02 = 63,613.16 : x
  2. Step 2: Convert to fraction form
    113,915.24/157,198.02 = 63,613.16/x
  3. Step 3: Cross multiply
    113,915.24x = 157,198.02 × 63,613.16
  4. Step 4: Simplify right side
    113,915.24x = 9,999,862,797.94
  5. Step 5: Solve for x
    x = 9,999,862,797.94/113,915.24
  6. Step 6: Final answer
    x = 87,783.36

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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.