Home / 186,685.60-257,626.56-106,113.64

Finding the Fourth Proportional to 186,685.60, 257,626.56 and 106,113.64

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Solution

The fourth proportional to 186,685.60, 257,626.56 and 106,113.64 is: 146,437.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,685.60 : 257,626.56 = 106,113.64 : x
  2. Step 2: Convert to fraction form
    186,685.60/257,626.56 = 106,113.64/x
  3. Step 3: Cross multiply
    186,685.60x = 257,626.56 × 106,113.64
  4. Step 4: Simplify right side
    186,685.60x = 27,337,692,042.28
  5. Step 5: Solve for x
    x = 27,337,692,042.28/186,685.60
  6. Step 6: Final answer
    x = 146,437.07

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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.