Home / 250,265.41-375,434.73-72,749.35

Finding the Fourth Proportional to 250,265.41, 375,434.73 and 72,749.35

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Solution

The fourth proportional to 250,265.41, 375,434.73 and 72,749.35 is: 109,134.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,265.41 : 375,434.73 = 72,749.35 : x
  2. Step 2: Convert to fraction form
    250,265.41/375,434.73 = 72,749.35/x
  3. Step 3: Cross multiply
    250,265.41x = 375,434.73 × 72,749.35
  4. Step 4: Simplify right side
    250,265.41x = 27,312,632,574.93
  5. Step 5: Solve for x
    x = 27,312,632,574.93/250,265.41
  6. Step 6: Final answer
    x = 109,134.67

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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.