Home / 124,218.27-171,436.70-70,520.67

Finding the Fourth Proportional to 124,218.27, 171,436.70 and 70,520.67

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Solution

The fourth proportional to 124,218.27, 171,436.70 and 70,520.67 is: 97,327.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,218.27 : 171,436.70 = 70,520.67 : x
  2. Step 2: Convert to fraction form
    124,218.27/171,436.70 = 70,520.67/x
  3. Step 3: Cross multiply
    124,218.27x = 171,436.70 × 70,520.67
  4. Step 4: Simplify right side
    124,218.27x = 12,089,831,122.89
  5. Step 5: Solve for x
    x = 12,089,831,122.89/124,218.27
  6. Step 6: Final answer
    x = 97,327.32

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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.