Home / 191,154.24-263,799.60-105,119.76

Finding the Fourth Proportional to 191,154.24, 263,799.60 and 105,119.76

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Solution

The fourth proportional to 191,154.24, 263,799.60 and 105,119.76 is: 145,068.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,154.24 : 263,799.60 = 105,119.76 : x
  2. Step 2: Convert to fraction form
    191,154.24/263,799.60 = 105,119.76/x
  3. Step 3: Cross multiply
    191,154.24x = 263,799.60 × 105,119.76
  4. Step 4: Simplify right side
    191,154.24x = 27,730,550,640.10
  5. Step 5: Solve for x
    x = 27,730,550,640.10/191,154.24
  6. Step 6: Final answer
    x = 145,068.98

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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.