Home / 193,211.12-266,323.28-152,308.56

Finding the Fourth Proportional to 193,211.12, 266,323.28 and 152,308.56

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Solution

The fourth proportional to 193,211.12, 266,323.28 and 152,308.56 is: 209,942.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,211.12 : 266,323.28 = 152,308.56 : x
  2. Step 2: Convert to fraction form
    193,211.12/266,323.28 = 152,308.56/x
  3. Step 3: Cross multiply
    193,211.12x = 266,323.28 × 152,308.56
  4. Step 4: Simplify right side
    193,211.12x = 40,563,315,271.28
  5. Step 5: Solve for x
    x = 40,563,315,271.28/193,211.12
  6. Step 6: Final answer
    x = 209,942.96

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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.