Home / 93,283.21-139,208.51-83,317.78

Finding the Fourth Proportional to 93,283.21, 139,208.51 and 83,317.78

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Solution

The fourth proportional to 93,283.21, 139,208.51 and 83,317.78 is: 124,336.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,283.21 : 139,208.51 = 83,317.78 : x
  2. Step 2: Convert to fraction form
    93,283.21/139,208.51 = 83,317.78/x
  3. Step 3: Cross multiply
    93,283.21x = 139,208.51 × 83,317.78
  4. Step 4: Simplify right side
    93,283.21x = 11,598,544,010.31
  5. Step 5: Solve for x
    x = 11,598,544,010.31/93,283.21
  6. Step 6: Final answer
    x = 124,336.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.