Home / 191,826.10-287,739.15-162,301.60

Finding the Fourth Proportional to 191,826.10, 287,739.15 and 162,301.60

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Solution

The fourth proportional to 191,826.10, 287,739.15 and 162,301.60 is: 243,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,826.10 : 287,739.15 = 162,301.60 : x
  2. Step 2: Convert to fraction form
    191,826.10/287,739.15 = 162,301.60/x
  3. Step 3: Cross multiply
    191,826.10x = 287,739.15 × 162,301.60
  4. Step 4: Simplify right side
    191,826.10x = 46,700,524,427.64
  5. Step 5: Solve for x
    x = 46,700,524,427.64/191,826.10
  6. Step 6: Final answer
    x = 243,452.40

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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.