Home / 214,631.10-321,946.65-109,655.10

Finding the Fourth Proportional to 214,631.10, 321,946.65 and 109,655.10

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Solution

The fourth proportional to 214,631.10, 321,946.65 and 109,655.10 is: 164,482.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,631.10 : 321,946.65 = 109,655.10 : x
  2. Step 2: Convert to fraction form
    214,631.10/321,946.65 = 109,655.10/x
  3. Step 3: Cross multiply
    214,631.10x = 321,946.65 × 109,655.10
  4. Step 4: Simplify right side
    214,631.10x = 35,303,092,100.42
  5. Step 5: Solve for x
    x = 35,303,092,100.42/214,631.10
  6. Step 6: Final answer
    x = 164,482.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.