Home / 186,274.41-257,051.55-105,697.13

Finding the Fourth Proportional to 186,274.41, 257,051.55 and 105,697.13

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Solution

The fourth proportional to 186,274.41, 257,051.55 and 105,697.13 is: 145,857.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,274.41 : 257,051.55 = 105,697.13 : x
  2. Step 2: Convert to fraction form
    186,274.41/257,051.55 = 105,697.13/x
  3. Step 3: Cross multiply
    186,274.41x = 257,051.55 × 105,697.13
  4. Step 4: Simplify right side
    186,274.41x = 27,169,609,811.79
  5. Step 5: Solve for x
    x = 27,169,609,811.79/186,274.41
  6. Step 6: Final answer
    x = 145,857.98

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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.