Home / 111,503.20-153,875.54-60,516.38

Finding the Fourth Proportional to 111,503.20, 153,875.54 and 60,516.38

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Solution

The fourth proportional to 111,503.20, 153,875.54 and 60,516.38 is: 83,513.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,503.20 : 153,875.54 = 60,516.38 : x
  2. Step 2: Convert to fraction form
    111,503.20/153,875.54 = 60,516.38/x
  3. Step 3: Cross multiply
    111,503.20x = 153,875.54 × 60,516.38
  4. Step 4: Simplify right side
    111,503.20x = 9,311,990,651.35
  5. Step 5: Solve for x
    x = 9,311,990,651.35/111,503.20
  6. Step 6: Final answer
    x = 83,513.21

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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.