Home / 147,213.45-220,852.76-53,718.93

Finding the Fourth Proportional to 147,213.45, 220,852.76 and 53,718.93

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Solution

The fourth proportional to 147,213.45, 220,852.76 and 53,718.93 is: 80,590.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,213.45 : 220,852.76 = 53,718.93 : x
  2. Step 2: Convert to fraction form
    147,213.45/220,852.76 = 53,718.93/x
  3. Step 3: Cross multiply
    147,213.45x = 220,852.76 × 53,718.93
  4. Step 4: Simplify right side
    147,213.45x = 11,863,973,954.75
  5. Step 5: Solve for x
    x = 11,863,973,954.75/147,213.45
  6. Step 6: Final answer
    x = 80,590.29

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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.