Home / 193,451.42-266,962.80-112,863.34

Finding the Fourth Proportional to 193,451.42, 266,962.80 and 112,863.34

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Solution

The fourth proportional to 193,451.42, 266,962.80 and 112,863.34 is: 155,751.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,451.42 : 266,962.80 = 112,863.34 : x
  2. Step 2: Convert to fraction form
    193,451.42/266,962.80 = 112,863.34/x
  3. Step 3: Cross multiply
    193,451.42x = 266,962.80 × 112,863.34
  4. Step 4: Simplify right side
    193,451.42x = 30,130,314,020.69
  5. Step 5: Solve for x
    x = 30,130,314,020.69/193,451.42
  6. Step 6: Final answer
    x = 155,751.32

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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.