Home / 186,324.90-257,120.64-101,441.76

Finding the Fourth Proportional to 186,324.90, 257,120.64 and 101,441.76

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Solution

The fourth proportional to 186,324.90, 257,120.64 and 101,441.76 is: 139,985.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,324.90 : 257,120.64 = 101,441.76 : x
  2. Step 2: Convert to fraction form
    186,324.90/257,120.64 = 101,441.76/x
  3. Step 3: Cross multiply
    186,324.90x = 257,120.64 × 101,441.76
  4. Step 4: Simplify right side
    186,324.90x = 26,082,770,253.93
  5. Step 5: Solve for x
    x = 26,082,770,253.93/186,324.90
  6. Step 6: Final answer
    x = 139,985.42

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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.