Home / 255,588.47-352,712.10-148,220.77

Finding the Fourth Proportional to 255,588.47, 352,712.10 and 148,220.77

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Solution

The fourth proportional to 255,588.47, 352,712.10 and 148,220.77 is: 204,544.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,588.47 : 352,712.10 = 148,220.77 : x
  2. Step 2: Convert to fraction form
    255,588.47/352,712.10 = 148,220.77/x
  3. Step 3: Cross multiply
    255,588.47x = 352,712.10 × 148,220.77
  4. Step 4: Simplify right side
    255,588.47x = 52,279,259,050.32
  5. Step 5: Solve for x
    x = 52,279,259,050.32/255,588.47
  6. Step 6: Final answer
    x = 204,544.67

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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.