Home / 209,807.06-289,537.06-114,313.72

Finding the Fourth Proportional to 209,807.06, 289,537.06 and 114,313.72

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Solution

The fourth proportional to 209,807.06, 289,537.06 and 114,313.72 is: 157,754.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,807.06 : 289,537.06 = 114,313.72 : x
  2. Step 2: Convert to fraction form
    209,807.06/289,537.06 = 114,313.72/x
  3. Step 3: Cross multiply
    209,807.06x = 289,537.06 × 114,313.72
  4. Step 4: Simplify right side
    209,807.06x = 33,098,058,406.46
  5. Step 5: Solve for x
    x = 33,098,058,406.46/209,807.06
  6. Step 6: Final answer
    x = 157,754.74

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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.