Home / 107,000.84-147,563.70-91,888.76

Finding the Fourth Proportional to 107,000.84, 147,563.70 and 91,888.76

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Solution

The fourth proportional to 107,000.84, 147,563.70 and 91,888.76 is: 126,722.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,000.84 : 147,563.70 = 91,888.76 : x
  2. Step 2: Convert to fraction form
    107,000.84/147,563.70 = 91,888.76/x
  3. Step 3: Cross multiply
    107,000.84x = 147,563.70 × 91,888.76
  4. Step 4: Simplify right side
    107,000.84x = 13,559,445,414.01
  5. Step 5: Solve for x
    x = 13,559,445,414.01/107,000.84
  6. Step 6: Final answer
    x = 126,722.79

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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.