Home / 191,520.77-287,327.68-58,403.39

Finding the Fourth Proportional to 191,520.77, 287,327.68 and 58,403.39

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Solution

The fourth proportional to 191,520.77, 287,327.68 and 58,403.39 is: 87,619.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,520.77 : 287,327.68 = 58,403.39 : x
  2. Step 2: Convert to fraction form
    191,520.77/287,327.68 = 58,403.39/x
  3. Step 3: Cross multiply
    191,520.77x = 287,327.68 × 58,403.39
  4. Step 4: Simplify right side
    191,520.77x = 16,780,908,970.19
  5. Step 5: Solve for x
    x = 16,780,908,970.19/191,520.77
  6. Step 6: Final answer
    x = 87,619.27

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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.