Home / 215,848.60-323,632.74-103,526.20

Finding the Fourth Proportional to 215,848.60, 323,632.74 and 103,526.20

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Solution

The fourth proportional to 215,848.60, 323,632.74 and 103,526.20 is: 155,222.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,848.60 : 323,632.74 = 103,526.20 : x
  2. Step 2: Convert to fraction form
    215,848.60/323,632.74 = 103,526.20/x
  3. Step 3: Cross multiply
    215,848.60x = 323,632.74 × 103,526.20
  4. Step 4: Simplify right side
    215,848.60x = 33,504,467,767.79
  5. Step 5: Solve for x
    x = 33,504,467,767.79/215,848.60
  6. Step 6: Final answer
    x = 155,222.08

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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.