Home / 145,057.10-217,294.05-97,817.90

Finding the Fourth Proportional to 145,057.10, 217,294.05 and 97,817.90

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Solution

The fourth proportional to 145,057.10, 217,294.05 and 97,817.90 is: 146,530.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,057.10 : 217,294.05 = 97,817.90 : x
  2. Step 2: Convert to fraction form
    145,057.10/217,294.05 = 97,817.90/x
  3. Step 3: Cross multiply
    145,057.10x = 217,294.05 × 97,817.90
  4. Step 4: Simplify right side
    145,057.10x = 21,255,247,653.50
  5. Step 5: Solve for x
    x = 21,255,247,653.50/145,057.10
  6. Step 6: Final answer
    x = 146,530.21

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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.