Home / 111,955.14-154,503.81-63,560.46

Finding the Fourth Proportional to 111,955.14, 154,503.81 and 63,560.46

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Solution

The fourth proportional to 111,955.14, 154,503.81 and 63,560.46 is: 87,716.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,955.14 : 154,503.81 = 63,560.46 : x
  2. Step 2: Convert to fraction form
    111,955.14/154,503.81 = 63,560.46/x
  3. Step 3: Cross multiply
    111,955.14x = 154,503.81 × 63,560.46
  4. Step 4: Simplify right side
    111,955.14x = 9,820,333,235.35
  5. Step 5: Solve for x
    x = 9,820,333,235.35/111,955.14
  6. Step 6: Final answer
    x = 87,716.68

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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.