Home / 124,219.27-171,438.08-70,521.67

Finding the Fourth Proportional to 124,219.27, 171,438.08 and 70,521.67

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Solution

The fourth proportional to 124,219.27, 171,438.08 and 70,521.67 is: 97,328.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,219.27 : 171,438.08 = 70,521.67 : x
  2. Step 2: Convert to fraction form
    124,219.27/171,438.08 = 70,521.67/x
  3. Step 3: Cross multiply
    124,219.27x = 171,438.08 × 70,521.67
  4. Step 4: Simplify right side
    124,219.27x = 12,090,099,703.19
  5. Step 5: Solve for x
    x = 12,090,099,703.19/124,219.27
  6. Step 6: Final answer
    x = 97,328.70

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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.