Home / 191,423.85-286,924.23-79,042.11

Finding the Fourth Proportional to 191,423.85, 286,924.23 and 79,042.11

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Solution

The fourth proportional to 191,423.85, 286,924.23 and 79,042.11 is: 118,475.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,423.85 : 286,924.23 = 79,042.11 : x
  2. Step 2: Convert to fraction form
    191,423.85/286,924.23 = 79,042.11/x
  3. Step 3: Cross multiply
    191,423.85x = 286,924.23 × 79,042.11
  4. Step 4: Simplify right side
    191,423.85x = 22,679,096,549.33
  5. Step 5: Solve for x
    x = 22,679,096,549.33/191,423.85
  6. Step 6: Final answer
    x = 118,475.81

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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.