Home / 189,927.99-262,152.45-118,265.67

Finding the Fourth Proportional to 189,927.99, 262,152.45 and 118,265.67

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Solution

The fourth proportional to 189,927.99, 262,152.45 and 118,265.67 is: 163,238.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,927.99 : 262,152.45 = 118,265.67 : x
  2. Step 2: Convert to fraction form
    189,927.99/262,152.45 = 118,265.67/x
  3. Step 3: Cross multiply
    189,927.99x = 262,152.45 × 118,265.67
  4. Step 4: Simplify right side
    189,927.99x = 31,003,635,141.39
  5. Step 5: Solve for x
    x = 31,003,635,141.39/189,927.99
  6. Step 6: Final answer
    x = 163,238.89

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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.