Home / 136,222.48-187,987.95-75,795.67

Finding the Fourth Proportional to 136,222.48, 187,987.95 and 75,795.67

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Solution

The fourth proportional to 136,222.48, 187,987.95 and 75,795.67 is: 104,598.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,222.48 : 187,987.95 = 75,795.67 : x
  2. Step 2: Convert to fraction form
    136,222.48/187,987.95 = 75,795.67/x
  3. Step 3: Cross multiply
    136,222.48x = 187,987.95 × 75,795.67
  4. Step 4: Simplify right side
    136,222.48x = 14,248,672,622.18
  5. Step 5: Solve for x
    x = 14,248,672,622.18/136,222.48
  6. Step 6: Final answer
    x = 104,598.54

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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.