Home / 161,531.51-222,887.94-93,554.88

Finding the Fourth Proportional to 161,531.51, 222,887.94 and 93,554.88

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Solution

The fourth proportional to 161,531.51, 222,887.94 and 93,554.88 is: 129,090.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,531.51 : 222,887.94 = 93,554.88 : x
  2. Step 2: Convert to fraction form
    161,531.51/222,887.94 = 93,554.88/x
  3. Step 3: Cross multiply
    161,531.51x = 222,887.94 × 93,554.88
  4. Step 4: Simplify right side
    161,531.51x = 20,852,254,480.15
  5. Step 5: Solve for x
    x = 20,852,254,480.15/161,531.51
  6. Step 6: Final answer
    x = 129,090.94

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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.