Home / 191,154.04-263,799.30-105,119.56

Finding the Fourth Proportional to 191,154.04, 263,799.30 and 105,119.56

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Solution

The fourth proportional to 191,154.04, 263,799.30 and 105,119.56 is: 145,068.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,154.04 : 263,799.30 = 105,119.56 : x
  2. Step 2: Convert to fraction form
    191,154.04/263,799.30 = 105,119.56/x
  3. Step 3: Cross multiply
    191,154.04x = 263,799.30 × 105,119.56
  4. Step 4: Simplify right side
    191,154.04x = 27,730,466,344.31
  5. Step 5: Solve for x
    x = 27,730,466,344.31/191,154.04
  6. Step 6: Final answer
    x = 145,068.69

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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.