Home / 136,534.55-204,842.15-70,021.28

Finding the Fourth Proportional to 136,534.55, 204,842.15 and 70,021.28

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Solution

The fourth proportional to 136,534.55, 204,842.15 and 70,021.28 is: 105,052.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,534.55 : 204,842.15 = 70,021.28 : x
  2. Step 2: Convert to fraction form
    136,534.55/204,842.15 = 70,021.28/x
  3. Step 3: Cross multiply
    136,534.55x = 204,842.15 × 70,021.28
  4. Step 4: Simplify right side
    136,534.55x = 14,343,308,166.63
  5. Step 5: Solve for x
    x = 14,343,308,166.63/136,534.55
  6. Step 6: Final answer
    x = 105,052.59

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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.