Home / 161,058.72-222,264.02-89,445.41

Finding the Fourth Proportional to 161,058.72, 222,264.02 and 89,445.41

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Solution

The fourth proportional to 161,058.72, 222,264.02 and 89,445.41 is: 123,436.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,058.72 : 222,264.02 = 89,445.41 : x
  2. Step 2: Convert to fraction form
    161,058.72/222,264.02 = 89,445.41/x
  3. Step 3: Cross multiply
    161,058.72x = 222,264.02 × 89,445.41
  4. Step 4: Simplify right side
    161,058.72x = 19,880,495,509.44
  5. Step 5: Solve for x
    x = 19,880,495,509.44/161,058.72
  6. Step 6: Final answer
    x = 123,436.32

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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.