Home / 199,475.78-275,287.12-114,598.32

Finding the Fourth Proportional to 199,475.78, 275,287.12 and 114,598.32

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Solution

The fourth proportional to 199,475.78, 275,287.12 and 114,598.32 is: 158,151.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,475.78 : 275,287.12 = 114,598.32 : x
  2. Step 2: Convert to fraction form
    199,475.78/275,287.12 = 114,598.32/x
  3. Step 3: Cross multiply
    199,475.78x = 275,287.12 × 114,598.32
  4. Step 4: Simplify right side
    199,475.78x = 31,547,441,469.64
  5. Step 5: Solve for x
    x = 31,547,441,469.64/199,475.78
  6. Step 6: Final answer
    x = 158,151.74

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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.