Home / 559,971.35-839,960.37-139,247.22

Finding the Fourth Proportional to 559,971.35, 839,960.37 and 139,247.22

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Solution

The fourth proportional to 559,971.35, 839,960.37 and 139,247.22 is: 208,871.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,971.35 : 839,960.37 = 139,247.22 : x
  2. Step 2: Convert to fraction form
    559,971.35/839,960.37 = 139,247.22/x
  3. Step 3: Cross multiply
    559,971.35x = 839,960.37 × 139,247.22
  4. Step 4: Simplify right side
    559,971.35x = 116,962,149,582.52
  5. Step 5: Solve for x
    x = 116,962,149,582.52/559,971.35
  6. Step 6: Final answer
    x = 208,871.67

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1.5x scale

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.