Home / 156,945.65-235,418.48-57,109.10

Finding the Fourth Proportional to 156,945.65, 235,418.48 and 57,109.10

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Solution

The fourth proportional to 156,945.65, 235,418.48 and 57,109.10 is: 85,663.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,945.65 : 235,418.48 = 57,109.10 : x
  2. Step 2: Convert to fraction form
    156,945.65/235,418.48 = 57,109.10/x
  3. Step 3: Cross multiply
    156,945.65x = 235,418.48 × 57,109.10
  4. Step 4: Simplify right side
    156,945.65x = 13,444,537,516.17
  5. Step 5: Solve for x
    x = 13,444,537,516.17/156,945.65
  6. Step 6: Final answer
    x = 85,663.65

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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.