Home / 147,335.25-221,112.86-99,837.67

Finding the Fourth Proportional to 147,335.25, 221,112.86 and 99,837.67

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Solution

The fourth proportional to 147,335.25, 221,112.86 and 99,837.67 is: 149,831.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,335.25 : 221,112.86 = 99,837.67 : x
  2. Step 2: Convert to fraction form
    147,335.25/221,112.86 = 99,837.67/x
  3. Step 3: Cross multiply
    147,335.25x = 221,112.86 × 99,837.67
  4. Step 4: Simplify right side
    147,335.25x = 22,075,392,749.44
  5. Step 5: Solve for x
    x = 22,075,392,749.44/147,335.25
  6. Step 6: Final answer
    x = 149,831.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.