Home / 113,995.82-157,232.63-80,011.89

Finding the Fourth Proportional to 113,995.82, 157,232.63 and 80,011.89

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Solution

The fourth proportional to 113,995.82, 157,232.63 and 80,011.89 is: 110,359.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,995.82 : 157,232.63 = 80,011.89 : x
  2. Step 2: Convert to fraction form
    113,995.82/157,232.63 = 80,011.89/x
  3. Step 3: Cross multiply
    113,995.82x = 157,232.63 × 80,011.89
  4. Step 4: Simplify right side
    113,995.82x = 12,580,480,096.00
  5. Step 5: Solve for x
    x = 12,580,480,096.00/113,995.82
  6. Step 6: Final answer
    x = 110,359.13

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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.