Home / 109,955.90-151,755.46-69,673.43

Finding the Fourth Proportional to 109,955.90, 151,755.46 and 69,673.43

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Solution

The fourth proportional to 109,955.90, 151,755.46 and 69,673.43 is: 96,159.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,955.90 : 151,755.46 = 69,673.43 : x
  2. Step 2: Convert to fraction form
    109,955.90/151,755.46 = 69,673.43/x
  3. Step 3: Cross multiply
    109,955.90x = 151,755.46 × 69,673.43
  4. Step 4: Simplify right side
    109,955.90x = 10,573,323,624.63
  5. Step 5: Solve for x
    x = 10,573,323,624.63/109,955.90
  6. Step 6: Final answer
    x = 96,159.67

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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.