Home / 161,045.10-241,567.65-143,330.40

Finding the Fourth Proportional to 161,045.10, 241,567.65 and 143,330.40

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Solution

The fourth proportional to 161,045.10, 241,567.65 and 143,330.40 is: 214,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,045.10 : 241,567.65 = 143,330.40 : x
  2. Step 2: Convert to fraction form
    161,045.10/241,567.65 = 143,330.40/x
  3. Step 3: Cross multiply
    161,045.10x = 241,567.65 × 143,330.40
  4. Step 4: Simplify right side
    161,045.10x = 34,623,987,901.56
  5. Step 5: Solve for x
    x = 34,623,987,901.56/161,045.10
  6. Step 6: Final answer
    x = 214,995.60

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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.