Home / 239,627.25-330,685.61-139,044.69

Finding the Fourth Proportional to 239,627.25, 330,685.61 and 139,044.69

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Solution

The fourth proportional to 239,627.25, 330,685.61 and 139,044.69 is: 191,881.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,627.25 : 330,685.61 = 139,044.69 : x
  2. Step 2: Convert to fraction form
    239,627.25/330,685.61 = 139,044.69/x
  3. Step 3: Cross multiply
    239,627.25x = 330,685.61 × 139,044.69
  4. Step 4: Simplify right side
    239,627.25x = 45,980,077,434.69
  5. Step 5: Solve for x
    x = 45,980,077,434.69/239,627.25
  6. Step 6: Final answer
    x = 191,881.67

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1.5x scale

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.