Home / 405,192.50-607,812.52-152,475.13

Finding the Fourth Proportional to 405,192.50, 607,812.52 and 152,475.13

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Solution

The fourth proportional to 405,192.50, 607,812.52 and 152,475.13 is: 228,721.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,192.50 : 607,812.52 = 152,475.13 : x
  2. Step 2: Convert to fraction form
    405,192.50/607,812.52 = 152,475.13/x
  3. Step 3: Cross multiply
    405,192.50x = 607,812.52 × 152,475.13
  4. Step 4: Simplify right side
    405,192.50x = 92,676,295,590.99
  5. Step 5: Solve for x
    x = 92,676,295,590.99/405,192.50
  6. Step 6: Final answer
    x = 228,721.65

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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.