Home / 186,680.32-257,667.84-106,154.88

Finding the Fourth Proportional to 186,680.32, 257,667.84 and 106,154.88

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Solution

The fourth proportional to 186,680.32, 257,667.84 and 106,154.88 is: 146,521.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,680.32 : 257,667.84 = 106,154.88 : x
  2. Step 2: Convert to fraction form
    186,680.32/257,667.84 = 106,154.88/x
  3. Step 3: Cross multiply
    186,680.32x = 257,667.84 × 106,154.88
  4. Step 4: Simplify right side
    186,680.32x = 27,352,698,635.06
  5. Step 5: Solve for x
    x = 27,352,698,635.06/186,680.32
  6. Step 6: Final answer
    x = 146,521.60

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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.