Home / 153,089.92-229,302.58-74,038.38

Finding the Fourth Proportional to 153,089.92, 229,302.58 and 74,038.38

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Solution

The fourth proportional to 153,089.92, 229,302.58 and 74,038.38 is: 110,896.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,089.92 : 229,302.58 = 74,038.38 : x
  2. Step 2: Convert to fraction form
    153,089.92/229,302.58 = 74,038.38/x
  3. Step 3: Cross multiply
    153,089.92x = 229,302.58 × 74,038.38
  4. Step 4: Simplify right side
    153,089.92x = 16,977,191,553.02
  5. Step 5: Solve for x
    x = 16,977,191,553.02/153,089.92
  6. Step 6: Final answer
    x = 110,896.86

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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.