Home / 160,408.77-221,369.31-92,420.34

Finding the Fourth Proportional to 160,408.77, 221,369.31 and 92,420.34

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Solution

The fourth proportional to 160,408.77, 221,369.31 and 92,420.34 is: 127,543.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,408.77 : 221,369.31 = 92,420.34 : x
  2. Step 2: Convert to fraction form
    160,408.77/221,369.31 = 92,420.34/x
  3. Step 3: Cross multiply
    160,408.77x = 221,369.31 × 92,420.34
  4. Step 4: Simplify right side
    160,408.77x = 20,459,026,895.77
  5. Step 5: Solve for x
    x = 20,459,026,895.77/160,408.77
  6. Step 6: Final answer
    x = 127,543.07

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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.