Home / 191,380.03-287,111.57-58,256.83

Finding the Fourth Proportional to 191,380.03, 287,111.57 and 58,256.83

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Solution

The fourth proportional to 191,380.03, 287,111.57 and 58,256.83 is: 87,397.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,380.03 : 287,111.57 = 58,256.83 : x
  2. Step 2: Convert to fraction form
    191,380.03/287,111.57 = 58,256.83/x
  3. Step 3: Cross multiply
    191,380.03x = 287,111.57 × 58,256.83
  4. Step 4: Simplify right side
    191,380.03x = 16,726,209,924.52
  5. Step 5: Solve for x
    x = 16,726,209,924.52/191,380.03
  6. Step 6: Final answer
    x = 87,397.89

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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.