Home / 186,350.61-257,221.88-105,831.75

Finding the Fourth Proportional to 186,350.61, 257,221.88 and 105,831.75

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Solution

The fourth proportional to 186,350.61, 257,221.88 and 105,831.75 is: 146,080.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,350.61 : 257,221.88 = 105,831.75 : x
  2. Step 2: Convert to fraction form
    186,350.61/257,221.88 = 105,831.75/x
  3. Step 3: Cross multiply
    186,350.61x = 257,221.88 × 105,831.75
  4. Step 4: Simplify right side
    186,350.61x = 27,222,241,169.53
  5. Step 5: Solve for x
    x = 27,222,241,169.53/186,350.61
  6. Step 6: Final answer
    x = 146,080.77

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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.