Home / 189,945.99-262,177.29-118,283.67

Finding the Fourth Proportional to 189,945.99, 262,177.29 and 118,283.67

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Solution

The fourth proportional to 189,945.99, 262,177.29 and 118,283.67 is: 163,263.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,945.99 : 262,177.29 = 118,283.67 : x
  2. Step 2: Convert to fraction form
    189,945.99/262,177.29 = 118,283.67/x
  3. Step 3: Cross multiply
    189,945.99x = 262,177.29 × 118,283.67
  4. Step 4: Simplify right side
    189,945.99x = 31,011,292,051.85
  5. Step 5: Solve for x
    x = 31,011,292,051.85/189,945.99
  6. Step 6: Final answer
    x = 163,263.74

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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.