Home / 124,226.50-171,431.85-70,521.70

Finding the Fourth Proportional to 124,226.50, 171,431.85 and 70,521.70

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Solution

The fourth proportional to 124,226.50, 171,431.85 and 70,521.70 is: 97,319.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,226.50 : 171,431.85 = 70,521.70 : x
  2. Step 2: Convert to fraction form
    124,226.50/171,431.85 = 70,521.70/x
  3. Step 3: Cross multiply
    124,226.50x = 171,431.85 × 70,521.70
  4. Step 4: Simplify right side
    124,226.50x = 12,089,665,496.15
  5. Step 5: Solve for x
    x = 12,089,665,496.15/124,226.50
  6. Step 6: Final answer
    x = 97,319.54

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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.