Home / 186,679.95-257,633.64-106,132.74

Finding the Fourth Proportional to 186,679.95, 257,633.64 and 106,132.74

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Solution

The fourth proportional to 186,679.95, 257,633.64 and 106,132.74 is: 146,471.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,679.95 : 257,633.64 = 106,132.74 : x
  2. Step 2: Convert to fraction form
    186,679.95/257,633.64 = 106,132.74/x
  3. Step 3: Cross multiply
    186,679.95x = 257,633.64 × 106,132.74
  4. Step 4: Simplify right side
    186,679.95x = 27,343,364,129.37
  5. Step 5: Solve for x
    x = 27,343,364,129.37/186,679.95
  6. Step 6: Final answer
    x = 146,471.88

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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.