Home / 117,333.36-161,751.06-83,741.04

Finding the Fourth Proportional to 117,333.36, 161,751.06 and 83,741.04

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Solution

The fourth proportional to 117,333.36, 161,751.06 and 83,741.04 is: 115,442.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,333.36 : 161,751.06 = 83,741.04 : x
  2. Step 2: Convert to fraction form
    117,333.36/161,751.06 = 83,741.04/x
  3. Step 3: Cross multiply
    117,333.36x = 161,751.06 × 83,741.04
  4. Step 4: Simplify right side
    117,333.36x = 13,545,201,985.50
  5. Step 5: Solve for x
    x = 13,545,201,985.50/117,333.36
  6. Step 6: Final answer
    x = 115,442.04

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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.