Home / 191,310.85-286,966.28-107,330.05

Finding the Fourth Proportional to 191,310.85, 286,966.28 and 107,330.05

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Solution

The fourth proportional to 191,310.85, 286,966.28 and 107,330.05 is: 160,995.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,310.85 : 286,966.28 = 107,330.05 : x
  2. Step 2: Convert to fraction form
    191,310.85/286,966.28 = 107,330.05/x
  3. Step 3: Cross multiply
    191,310.85x = 286,966.28 × 107,330.05
  4. Step 4: Simplify right side
    191,310.85x = 30,800,104,644.06
  5. Step 5: Solve for x
    x = 30,800,104,644.06/191,310.85
  6. Step 6: Final answer
    x = 160,995.08

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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.