Home / 161,058.47-222,263.68-89,445.16

Finding the Fourth Proportional to 161,058.47, 222,263.68 and 89,445.16

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Solution

The fourth proportional to 161,058.47, 222,263.68 and 89,445.16 is: 123,435.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,058.47 : 222,263.68 = 89,445.16 : x
  2. Step 2: Convert to fraction form
    161,058.47/222,263.68 = 89,445.16/x
  3. Step 3: Cross multiply
    161,058.47x = 222,263.68 × 89,445.16
  4. Step 4: Simplify right side
    161,058.47x = 19,880,409,308.47
  5. Step 5: Solve for x
    x = 19,880,409,308.47/161,058.47
  6. Step 6: Final answer
    x = 123,435.98

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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.