Home / 191,436.03-287,195.58-58,312.80

Finding the Fourth Proportional to 191,436.03, 287,195.58 and 58,312.80

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Solution

The fourth proportional to 191,436.03, 287,195.58 and 58,312.80 is: 87,481.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,436.03 : 287,195.58 = 58,312.80 : x
  2. Step 2: Convert to fraction form
    191,436.03/287,195.58 = 58,312.80/x
  3. Step 3: Cross multiply
    191,436.03x = 287,195.58 × 58,312.80
  4. Step 4: Simplify right side
    191,436.03x = 16,747,178,417.42
  5. Step 5: Solve for x
    x = 16,747,178,417.42/191,436.03
  6. Step 6: Final answer
    x = 87,481.85

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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.