Home / 355,830.28-533,615.98-119,116.68

Finding the Fourth Proportional to 355,830.28, 533,615.98 and 119,116.68

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Solution

The fourth proportional to 355,830.28, 533,615.98 and 119,116.68 is: 178,631.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,830.28 : 533,615.98 = 119,116.68 : x
  2. Step 2: Convert to fraction form
    355,830.28/533,615.98 = 119,116.68/x
  3. Step 3: Cross multiply
    355,830.28x = 533,615.98 × 119,116.68
  4. Step 4: Simplify right side
    355,830.28x = 63,562,563,932.55
  5. Step 5: Solve for x
    x = 63,562,563,932.55/355,830.28
  6. Step 6: Final answer
    x = 178,631.69

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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.