Home / 186,301.72-257,095.06-101,418.56

Finding the Fourth Proportional to 186,301.72, 257,095.06 and 101,418.56

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Solution

The fourth proportional to 186,301.72, 257,095.06 and 101,418.56 is: 139,956.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,301.72 : 257,095.06 = 101,418.56 : x
  2. Step 2: Convert to fraction form
    186,301.72/257,095.06 = 101,418.56/x
  3. Step 3: Cross multiply
    186,301.72x = 257,095.06 × 101,418.56
  4. Step 4: Simplify right side
    186,301.72x = 26,074,210,768.31
  5. Step 5: Solve for x
    x = 26,074,210,768.31/186,301.72
  6. Step 6: Final answer
    x = 139,956.90

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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.