Home / 114,205.03-157,599.39-65,807.05

Finding the Fourth Proportional to 114,205.03, 157,599.39 and 65,807.05

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Solution

The fourth proportional to 114,205.03, 157,599.39 and 65,807.05 is: 90,811.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,205.03 : 157,599.39 = 65,807.05 : x
  2. Step 2: Convert to fraction form
    114,205.03/157,599.39 = 65,807.05/x
  3. Step 3: Cross multiply
    114,205.03x = 157,599.39 × 65,807.05
  4. Step 4: Simplify right side
    114,205.03x = 10,371,150,937.70
  5. Step 5: Solve for x
    x = 10,371,150,937.70/114,205.03
  6. Step 6: Final answer
    x = 90,811.68

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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.