Home / 195,415.64-290,988.18-188,233.47

Finding the Fourth Proportional to 195,415.64, 290,988.18 and 188,233.47

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Solution

The fourth proportional to 195,415.64, 290,988.18 and 188,233.47 is: 280,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,415.64 : 290,988.18 = 188,233.47 : x
  2. Step 2: Convert to fraction form
    195,415.64/290,988.18 = 188,233.47/x
  3. Step 3: Cross multiply
    195,415.64x = 290,988.18 × 188,233.47
  4. Step 4: Simplify right side
    195,415.64x = 54,773,714,690.11
  5. Step 5: Solve for x
    x = 54,773,714,690.11/195,415.64
  6. Step 6: Final answer
    x = 280,293.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.