Home / 186,395.69-257,233.34-105,830.71

Finding the Fourth Proportional to 186,395.69, 257,233.34 and 105,830.71

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Solution

The fourth proportional to 186,395.69, 257,233.34 and 105,830.71 is: 146,050.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,395.69 : 257,233.34 = 105,830.71 : x
  2. Step 2: Convert to fraction form
    186,395.69/257,233.34 = 105,830.71/x
  3. Step 3: Cross multiply
    186,395.69x = 257,233.34 × 105,830.71
  4. Step 4: Simplify right side
    186,395.69x = 27,223,187,121.80
  5. Step 5: Solve for x
    x = 27,223,187,121.80/186,395.69
  6. Step 6: Final answer
    x = 146,050.52

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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.