Home / 195,045.75-292,653.14-68,776.20

Finding the Fourth Proportional to 195,045.75, 292,653.14 and 68,776.20

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Solution

The fourth proportional to 195,045.75, 292,653.14 and 68,776.20 is: 103,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,045.75 : 292,653.14 = 68,776.20 : x
  2. Step 2: Convert to fraction form
    195,045.75/292,653.14 = 68,776.20/x
  3. Step 3: Cross multiply
    195,045.75x = 292,653.14 × 68,776.20
  4. Step 4: Simplify right side
    195,045.75x = 20,127,570,543.39
  5. Step 5: Solve for x
    x = 20,127,570,543.39/195,045.75
  6. Step 6: Final answer
    x = 103,194.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.