Home / 191,311.10-286,837.05-97,739.90

Finding the Fourth Proportional to 191,311.10, 286,837.05 and 97,739.90

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Solution

The fourth proportional to 191,311.10, 286,837.05 and 97,739.90 is: 146,543.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,311.10 : 286,837.05 = 97,739.90 : x
  2. Step 2: Convert to fraction form
    191,311.10/286,837.05 = 97,739.90/x
  3. Step 3: Cross multiply
    191,311.10x = 286,837.05 × 97,739.90
  4. Step 4: Simplify right side
    191,311.10x = 28,035,424,583.30
  5. Step 5: Solve for x
    x = 28,035,424,583.30/191,311.10
  6. Step 6: Final answer
    x = 146,543.64

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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.