Home / 113,923.67-157,190.63-66,152.30

Finding the Fourth Proportional to 113,923.67, 157,190.63 and 66,152.30

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Solution

The fourth proportional to 113,923.67, 157,190.63 and 66,152.30 is: 91,276.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,923.67 : 157,190.63 = 66,152.30 : x
  2. Step 2: Convert to fraction form
    113,923.67/157,190.63 = 66,152.30/x
  3. Step 3: Cross multiply
    113,923.67x = 157,190.63 × 66,152.30
  4. Step 4: Simplify right side
    113,923.67x = 10,398,520,596.23
  5. Step 5: Solve for x
    x = 10,398,520,596.23/113,923.67
  6. Step 6: Final answer
    x = 91,276.21

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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.