Home / 186,771.06-257,766.20-106,210.70

Finding the Fourth Proportional to 186,771.06, 257,766.20 and 106,210.70

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Solution

The fourth proportional to 186,771.06, 257,766.20 and 106,210.70 is: 146,583.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,771.06 : 257,766.20 = 106,210.70 : x
  2. Step 2: Convert to fraction form
    186,771.06/257,766.20 = 106,210.70/x
  3. Step 3: Cross multiply
    186,771.06x = 257,766.20 × 106,210.70
  4. Step 4: Simplify right side
    186,771.06x = 27,377,528,538.34
  5. Step 5: Solve for x
    x = 27,377,528,538.34/186,771.06
  6. Step 6: Final answer
    x = 146,583.35

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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.