Home / 186,298.06-257,126.75-105,733.13

Finding the Fourth Proportional to 186,298.06, 257,126.75 and 105,733.13

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Solution

The fourth proportional to 186,298.06, 257,126.75 and 105,733.13 is: 145,931.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,298.06 : 257,126.75 = 105,733.13 : x
  2. Step 2: Convert to fraction form
    186,298.06/257,126.75 = 105,733.13/x
  3. Step 3: Cross multiply
    186,298.06x = 257,126.75 × 105,733.13
  4. Step 4: Simplify right side
    186,298.06x = 27,186,816,084.23
  5. Step 5: Solve for x
    x = 27,186,816,084.23/186,298.06
  6. Step 6: Final answer
    x = 145,931.83

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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.