Home / 93,157.46-139,307-69,187.04

Finding the Fourth Proportional to 93,157.46, 139,307 and 69,187.04

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Solution

The fourth proportional to 93,157.46, 139,307 and 69,187.04 is: 103,461.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,157.46 : 139,307 = 69,187.04 : x
  2. Step 2: Convert to fraction form
    93,157.46/139,307 = 69,187.04/x
  3. Step 3: Cross multiply
    93,157.46x = 139,307 × 69,187.04
  4. Step 4: Simplify right side
    93,157.46x = 9,638,238,981.28
  5. Step 5: Solve for x
    x = 9,638,238,981.28/93,157.46
  6. Step 6: Final answer
    x = 103,461.81

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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.