Home / 193,140.81-266,534.91-107,105.85

Finding the Fourth Proportional to 193,140.81, 266,534.91 and 107,105.85

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Solution

The fourth proportional to 193,140.81, 266,534.91 and 107,105.85 is: 147,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,140.81 : 266,534.91 = 107,105.85 : x
  2. Step 2: Convert to fraction form
    193,140.81/266,534.91 = 107,105.85/x
  3. Step 3: Cross multiply
    193,140.81x = 266,534.91 × 107,105.85
  4. Step 4: Simplify right side
    193,140.81x = 28,547,448,090.22
  5. Step 5: Solve for x
    x = 28,547,448,090.22/193,140.81
  6. Step 6: Final answer
    x = 147,806.40

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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.