Home / 198,273.03-273,492-117,643.32

Finding the Fourth Proportional to 198,273.03, 273,492 and 117,643.32

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Solution

The fourth proportional to 198,273.03, 273,492 and 117,643.32 is: 162,273.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,273.03 : 273,492 = 117,643.32 : x
  2. Step 2: Convert to fraction form
    198,273.03/273,492 = 117,643.32/x
  3. Step 3: Cross multiply
    198,273.03x = 273,492 × 117,643.32
  4. Step 4: Simplify right side
    198,273.03x = 32,174,506,873.44
  5. Step 5: Solve for x
    x = 32,174,506,873.44/198,273.03
  6. Step 6: Final answer
    x = 162,273.74

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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.