Home / 190,114.57-262,386.92-108,442.42

Finding the Fourth Proportional to 190,114.57, 262,386.92 and 108,442.42

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Solution

The fourth proportional to 190,114.57, 262,386.92 and 108,442.42 is: 149,666.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,114.57 : 262,386.92 = 108,442.42 : x
  2. Step 2: Convert to fraction form
    190,114.57/262,386.92 = 108,442.42/x
  3. Step 3: Cross multiply
    190,114.57x = 262,386.92 × 108,442.42
  4. Step 4: Simplify right side
    190,114.57x = 28,453,873,875.54
  5. Step 5: Solve for x
    x = 28,453,873,875.54/190,114.57
  6. Step 6: Final answer
    x = 149,666.98

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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.