Home / 106,140.78-146,457.59-60,810.03

Finding the Fourth Proportional to 106,140.78, 146,457.59 and 60,810.03

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Solution

The fourth proportional to 106,140.78, 146,457.59 and 60,810.03 is: 83,908.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,140.78 : 146,457.59 = 60,810.03 : x
  2. Step 2: Convert to fraction form
    106,140.78/146,457.59 = 60,810.03/x
  3. Step 3: Cross multiply
    106,140.78x = 146,457.59 × 60,810.03
  4. Step 4: Simplify right side
    106,140.78x = 8,906,090,137.58
  5. Step 5: Solve for x
    x = 8,906,090,137.58/106,140.78
  6. Step 6: Final answer
    x = 83,908.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.