Home / 106,938.90-160,408.35-28,061.10

Finding the Fourth Proportional to 106,938.90, 160,408.35 and 28,061.10

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Solution

The fourth proportional to 106,938.90, 160,408.35 and 28,061.10 is: 42,091.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,938.90 : 160,408.35 = 28,061.10 : x
  2. Step 2: Convert to fraction form
    106,938.90/160,408.35 = 28,061.10/x
  3. Step 3: Cross multiply
    106,938.90x = 160,408.35 × 28,061.10
  4. Step 4: Simplify right side
    106,938.90x = 4,501,234,750.19
  5. Step 5: Solve for x
    x = 4,501,234,750.19/106,938.90
  6. Step 6: Final answer
    x = 42,091.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.