Home / 191,336.10-286,874.55-97,764.90

Finding the Fourth Proportional to 191,336.10, 286,874.55 and 97,764.90

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Solution

The fourth proportional to 191,336.10, 286,874.55 and 97,764.90 is: 146,581.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,336.10 : 286,874.55 = 97,764.90 : x
  2. Step 2: Convert to fraction form
    191,336.10/286,874.55 = 97,764.90/x
  3. Step 3: Cross multiply
    191,336.10x = 286,874.55 × 97,764.90
  4. Step 4: Simplify right side
    191,336.10x = 28,046,261,693.30
  5. Step 5: Solve for x
    x = 28,046,261,693.30/191,336.10
  6. Step 6: Final answer
    x = 146,581.13

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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.