Home / 186,913.22-257,931.26-106,333.20

Finding the Fourth Proportional to 186,913.22, 257,931.26 and 106,333.20

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Solution

The fourth proportional to 186,913.22, 257,931.26 and 106,333.20 is: 146,734.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,913.22 : 257,931.26 = 106,333.20 : x
  2. Step 2: Convert to fraction form
    186,913.22/257,931.26 = 106,333.20/x
  3. Step 3: Cross multiply
    186,913.22x = 257,931.26 × 106,333.20
  4. Step 4: Simplify right side
    186,913.22x = 27,426,656,255.83
  5. Step 5: Solve for x
    x = 27,426,656,255.83/186,913.22
  6. Step 6: Final answer
    x = 146,734.71

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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.