Home / 113,571.54-169,482.33-99,749.70

Finding the Fourth Proportional to 113,571.54, 169,482.33 and 99,749.70

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Solution

The fourth proportional to 113,571.54, 169,482.33 and 99,749.70 is: 148,856.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,571.54 : 169,482.33 = 99,749.70 : x
  2. Step 2: Convert to fraction form
    113,571.54/169,482.33 = 99,749.70/x
  3. Step 3: Cross multiply
    113,571.54x = 169,482.33 × 99,749.70
  4. Step 4: Simplify right side
    113,571.54x = 16,905,811,572.80
  5. Step 5: Solve for x
    x = 16,905,811,572.80/113,571.54
  6. Step 6: Final answer
    x = 148,856.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.