Home / 186,213.08-256,953.16-109,727.21

Finding the Fourth Proportional to 186,213.08, 256,953.16 and 109,727.21

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Solution

The fourth proportional to 186,213.08, 256,953.16 and 109,727.21 is: 151,411.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,213.08 : 256,953.16 = 109,727.21 : x
  2. Step 2: Convert to fraction form
    186,213.08/256,953.16 = 109,727.21/x
  3. Step 3: Cross multiply
    186,213.08x = 256,953.16 × 109,727.21
  4. Step 4: Simplify right side
    186,213.08x = 28,194,752,681.66
  5. Step 5: Solve for x
    x = 28,194,752,681.66/186,213.08
  6. Step 6: Final answer
    x = 151,411.24

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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.