Home / 353,177.96-530,002.50-128,538.33

Finding the Fourth Proportional to 353,177.96, 530,002.50 and 128,538.33

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Solution

The fourth proportional to 353,177.96, 530,002.50 and 128,538.33 is: 192,893.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,177.96 : 530,002.50 = 128,538.33 : x
  2. Step 2: Convert to fraction form
    353,177.96/530,002.50 = 128,538.33/x
  3. Step 3: Cross multiply
    353,177.96x = 530,002.50 × 128,538.33
  4. Step 4: Simplify right side
    353,177.96x = 68,125,635,763.81
  5. Step 5: Solve for x
    x = 68,125,635,763.81/353,177.96
  6. Step 6: Final answer
    x = 192,893.23

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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.