Home / 161,900.10-242,590.95-102,629.70

Finding the Fourth Proportional to 161,900.10, 242,590.95 and 102,629.70

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Solution

The fourth proportional to 161,900.10, 242,590.95 and 102,629.70 is: 153,780.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,900.10 : 242,590.95 = 102,629.70 : x
  2. Step 2: Convert to fraction form
    161,900.10/242,590.95 = 102,629.70/x
  3. Step 3: Cross multiply
    161,900.10x = 242,590.95 × 102,629.70
  4. Step 4: Simplify right side
    161,900.10x = 24,897,036,421.22
  5. Step 5: Solve for x
    x = 24,897,036,421.22/161,900.10
  6. Step 6: Final answer
    x = 153,780.24

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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.