Home / 161,726.70-242,590.05-102,386.10

Finding the Fourth Proportional to 161,726.70, 242,590.05 and 102,386.10

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Solution

The fourth proportional to 161,726.70, 242,590.05 and 102,386.10 is: 153,579.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,726.70 : 242,590.05 = 102,386.10 : x
  2. Step 2: Convert to fraction form
    161,726.70/242,590.05 = 102,386.10/x
  3. Step 3: Cross multiply
    161,726.70x = 242,590.05 × 102,386.10
  4. Step 4: Simplify right side
    161,726.70x = 24,837,849,118.31
  5. Step 5: Solve for x
    x = 24,837,849,118.31/161,726.70
  6. Step 6: Final answer
    x = 153,579.15

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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.