Home / 111,813.75-154,305.78-60,829.35

Finding the Fourth Proportional to 111,813.75, 154,305.78 and 60,829.35

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Solution

The fourth proportional to 111,813.75, 154,305.78 and 60,829.35 is: 83,946.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,813.75 : 154,305.78 = 60,829.35 : x
  2. Step 2: Convert to fraction form
    111,813.75/154,305.78 = 60,829.35/x
  3. Step 3: Cross multiply
    111,813.75x = 154,305.78 × 60,829.35
  4. Step 4: Simplify right side
    111,813.75x = 9,386,320,298.64
  5. Step 5: Solve for x
    x = 9,386,320,298.64/111,813.75
  6. Step 6: Final answer
    x = 83,946.03

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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.