Home / 186,500.40-257,389.02-105,932.94

Finding the Fourth Proportional to 186,500.40, 257,389.02 and 105,932.94

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Solution

The fourth proportional to 186,500.40, 257,389.02 and 105,932.94 is: 146,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,500.40 : 257,389.02 = 105,932.94 : x
  2. Step 2: Convert to fraction form
    186,500.40/257,389.02 = 105,932.94/x
  3. Step 3: Cross multiply
    186,500.40x = 257,389.02 × 105,932.94
  4. Step 4: Simplify right side
    186,500.40x = 27,265,975,612.32
  5. Step 5: Solve for x
    x = 27,265,975,612.32/186,500.40
  6. Step 6: Final answer
    x = 146,197.95

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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.