Home / 140,315.49-193,488.03-92,507.67

Finding the Fourth Proportional to 140,315.49, 193,488.03 and 92,507.67

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Solution

The fourth proportional to 140,315.49, 193,488.03 and 92,507.67 is: 127,563.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,315.49 : 193,488.03 = 92,507.67 : x
  2. Step 2: Convert to fraction form
    140,315.49/193,488.03 = 92,507.67/x
  3. Step 3: Cross multiply
    140,315.49x = 193,488.03 × 92,507.67
  4. Step 4: Simplify right side
    140,315.49x = 17,899,126,828.19
  5. Step 5: Solve for x
    x = 17,899,126,828.19/140,315.49
  6. Step 6: Final answer
    x = 127,563.44

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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.