Home / 186,238.96-257,004.84-101,354.20

Finding the Fourth Proportional to 186,238.96, 257,004.84 and 101,354.20

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Solution

The fourth proportional to 186,238.96, 257,004.84 and 101,354.20 is: 139,866.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,238.96 : 257,004.84 = 101,354.20 : x
  2. Step 2: Convert to fraction form
    186,238.96/257,004.84 = 101,354.20/x
  3. Step 3: Cross multiply
    186,238.96x = 257,004.84 × 101,354.20
  4. Step 4: Simplify right side
    186,238.96x = 26,048,519,954.33
  5. Step 5: Solve for x
    x = 26,048,519,954.33/186,238.96
  6. Step 6: Final answer
    x = 139,866.12

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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.