Home / 193,690.71-290,566.13-98,869.55

Finding the Fourth Proportional to 193,690.71, 290,566.13 and 98,869.55

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Solution

The fourth proportional to 193,690.71, 290,566.13 and 98,869.55 is: 148,319.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,690.71 : 290,566.13 = 98,869.55 : x
  2. Step 2: Convert to fraction form
    193,690.71/290,566.13 = 98,869.55/x
  3. Step 3: Cross multiply
    193,690.71x = 290,566.13 × 98,869.55
  4. Step 4: Simplify right side
    193,690.71x = 28,728,140,571.16
  5. Step 5: Solve for x
    x = 28,728,140,571.16/193,690.71
  6. Step 6: Final answer
    x = 148,319.66

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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.