Home / 328,955.04-493,582.68-178,970.40

Finding the Fourth Proportional to 328,955.04, 493,582.68 and 178,970.40

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Solution

The fourth proportional to 328,955.04, 493,582.68 and 178,970.40 is: 268,537.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,955.04 : 493,582.68 = 178,970.40 : x
  2. Step 2: Convert to fraction form
    328,955.04/493,582.68 = 178,970.40/x
  3. Step 3: Cross multiply
    328,955.04x = 493,582.68 × 178,970.40
  4. Step 4: Simplify right side
    328,955.04x = 88,336,689,672.67
  5. Step 5: Solve for x
    x = 88,336,689,672.67/328,955.04
  6. Step 6: Final answer
    x = 268,537.27

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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.