Home / 186,210.98-256,926.35-109,733.21

Finding the Fourth Proportional to 186,210.98, 256,926.35 and 109,733.21

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Solution

The fourth proportional to 186,210.98, 256,926.35 and 109,733.21 is: 151,405.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,210.98 : 256,926.35 = 109,733.21 : x
  2. Step 2: Convert to fraction form
    186,210.98/256,926.35 = 109,733.21/x
  3. Step 3: Cross multiply
    186,210.98x = 256,926.35 × 109,733.21
  4. Step 4: Simplify right side
    186,210.98x = 28,193,353,119.08
  5. Step 5: Solve for x
    x = 28,193,353,119.08/186,210.98
  6. Step 6: Final answer
    x = 151,405.43

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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.