Home / 210,094.08-315,083.88-69,834.48

Finding the Fourth Proportional to 210,094.08, 315,083.88 and 69,834.48

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Solution

The fourth proportional to 210,094.08, 315,083.88 and 69,834.48 is: 104,732.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,094.08 : 315,083.88 = 69,834.48 : x
  2. Step 2: Convert to fraction form
    210,094.08/315,083.88 = 69,834.48/x
  3. Step 3: Cross multiply
    210,094.08x = 315,083.88 × 69,834.48
  4. Step 4: Simplify right side
    210,094.08x = 22,003,718,916.18
  5. Step 5: Solve for x
    x = 22,003,718,916.18/210,094.08
  6. Step 6: Final answer
    x = 104,732.69

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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.