Home / 191,850.18-264,920.40-120,353.10

Finding the Fourth Proportional to 191,850.18, 264,920.40 and 120,353.10

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Solution

The fourth proportional to 191,850.18, 264,920.40 and 120,353.10 is: 166,192.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,850.18 : 264,920.40 = 120,353.10 : x
  2. Step 2: Convert to fraction form
    191,850.18/264,920.40 = 120,353.10/x
  3. Step 3: Cross multiply
    191,850.18x = 264,920.40 × 120,353.10
  4. Step 4: Simplify right side
    191,850.18x = 31,883,991,393.24
  5. Step 5: Solve for x
    x = 31,883,991,393.24/191,850.18
  6. Step 6: Final answer
    x = 166,192.14

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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.