Home / 180,206.02-248,702.43-99,639.64

Finding the Fourth Proportional to 180,206.02, 248,702.43 and 99,639.64

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Solution

The fourth proportional to 180,206.02, 248,702.43 and 99,639.64 is: 137,512.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,206.02 : 248,702.43 = 99,639.64 : x
  2. Step 2: Convert to fraction form
    180,206.02/248,702.43 = 99,639.64/x
  3. Step 3: Cross multiply
    180,206.02x = 248,702.43 × 99,639.64
  4. Step 4: Simplify right side
    180,206.02x = 24,780,620,592.33
  5. Step 5: Solve for x
    x = 24,780,620,592.33/180,206.02
  6. Step 6: Final answer
    x = 137,512.72

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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.