Home / 134,210.40-185,210.73-76,850.60

Finding the Fourth Proportional to 134,210.40, 185,210.73 and 76,850.60

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Solution

The fourth proportional to 134,210.40, 185,210.73 and 76,850.60 is: 106,054.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,210.40 : 185,210.73 = 76,850.60 : x
  2. Step 2: Convert to fraction form
    134,210.40/185,210.73 = 76,850.60/x
  3. Step 3: Cross multiply
    134,210.40x = 185,210.73 × 76,850.60
  4. Step 4: Simplify right side
    134,210.40x = 14,233,554,800.88
  5. Step 5: Solve for x
    x = 14,233,554,800.88/134,210.40
  6. Step 6: Final answer
    x = 106,054.04

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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.