Home / 191,403.64-287,120.10-58,295.24

Finding the Fourth Proportional to 191,403.64, 287,120.10 and 58,295.24

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Solution

The fourth proportional to 191,403.64, 287,120.10 and 58,295.24 is: 87,447.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,403.64 : 287,120.10 = 58,295.24 : x
  2. Step 2: Convert to fraction form
    191,403.64/287,120.10 = 58,295.24/x
  3. Step 3: Cross multiply
    191,403.64x = 287,120.10 × 58,295.24
  4. Step 4: Simplify right side
    191,403.64x = 16,737,735,138.32
  5. Step 5: Solve for x
    x = 16,737,735,138.32/191,403.64
  6. Step 6: Final answer
    x = 87,447.32

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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.