Home / 105,545.03-157,923.88-104,364.05

Finding the Fourth Proportional to 105,545.03, 157,923.88 and 104,364.05

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Solution

The fourth proportional to 105,545.03, 157,923.88 and 104,364.05 is: 156,156.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,545.03 : 157,923.88 = 104,364.05 : x
  2. Step 2: Convert to fraction form
    105,545.03/157,923.88 = 104,364.05/x
  3. Step 3: Cross multiply
    105,545.03x = 157,923.88 × 104,364.05
  4. Step 4: Simplify right side
    105,545.03x = 16,481,574,657.98
  5. Step 5: Solve for x
    x = 16,481,574,657.98/105,545.03
  6. Step 6: Final answer
    x = 156,156.81

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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.