Home / 186,330.06-257,127.75-101,447.19

Finding the Fourth Proportional to 186,330.06, 257,127.75 and 101,447.19

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Solution

The fourth proportional to 186,330.06, 257,127.75 and 101,447.19 is: 139,992.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,330.06 : 257,127.75 = 101,447.19 : x
  2. Step 2: Convert to fraction form
    186,330.06/257,127.75 = 101,447.19/x
  3. Step 3: Cross multiply
    186,330.06x = 257,127.75 × 101,447.19
  4. Step 4: Simplify right side
    186,330.06x = 26,084,887,708.52
  5. Step 5: Solve for x
    x = 26,084,887,708.52/186,330.06
  6. Step 6: Final answer
    x = 139,992.91

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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.