Home / 186,725.21-257,679.57-106,152.76

Finding the Fourth Proportional to 186,725.21, 257,679.57 and 106,152.76

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Solution

The fourth proportional to 186,725.21, 257,679.57 and 106,152.76 is: 146,490.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,725.21 : 257,679.57 = 106,152.76 : x
  2. Step 2: Convert to fraction form
    186,725.21/257,679.57 = 106,152.76/x
  3. Step 3: Cross multiply
    186,725.21x = 257,679.57 × 106,152.76
  4. Step 4: Simplify right side
    186,725.21x = 27,353,397,551.11
  5. Step 5: Solve for x
    x = 27,353,397,551.11/186,725.21
  6. Step 6: Final answer
    x = 146,490.12

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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.