Home / 151,955.11-209,700.32-83,973.67

Finding the Fourth Proportional to 151,955.11, 209,700.32 and 83,973.67

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Solution

The fourth proportional to 151,955.11, 209,700.32 and 83,973.67 is: 115,884.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,955.11 : 209,700.32 = 83,973.67 : x
  2. Step 2: Convert to fraction form
    151,955.11/209,700.32 = 83,973.67/x
  3. Step 3: Cross multiply
    151,955.11x = 209,700.32 × 83,973.67
  4. Step 4: Simplify right side
    151,955.11x = 17,609,305,470.57
  5. Step 5: Solve for x
    x = 17,609,305,470.57/151,955.11
  6. Step 6: Final answer
    x = 115,884.92

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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.