Home / 191,070.68-263,676.78-105,035.44

Finding the Fourth Proportional to 191,070.68, 263,676.78 and 105,035.44

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Solution

The fourth proportional to 191,070.68, 263,676.78 and 105,035.44 is: 144,948.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,070.68 : 263,676.78 = 105,035.44 : x
  2. Step 2: Convert to fraction form
    191,070.68/263,676.78 = 105,035.44/x
  3. Step 3: Cross multiply
    191,070.68x = 263,676.78 × 105,035.44
  4. Step 4: Simplify right side
    191,070.68x = 27,695,406,605.08
  5. Step 5: Solve for x
    x = 27,695,406,605.08/191,070.68
  6. Step 6: Final answer
    x = 144,948.49

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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.