Home / 111,626.15-154,045.26-60,639.89

Finding the Fourth Proportional to 111,626.15, 154,045.26 and 60,639.89

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Solution

The fourth proportional to 111,626.15, 154,045.26 and 60,639.89 is: 83,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,626.15 : 154,045.26 = 60,639.89 : x
  2. Step 2: Convert to fraction form
    111,626.15/154,045.26 = 60,639.89/x
  3. Step 3: Cross multiply
    111,626.15x = 154,045.26 × 60,639.89
  4. Step 4: Simplify right side
    111,626.15x = 9,341,286,851.20
  5. Step 5: Solve for x
    x = 9,341,286,851.20/111,626.15
  6. Step 6: Final answer
    x = 83,683.68

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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.