Home / 178,830.71-268,287.58-52,465.85

Finding the Fourth Proportional to 178,830.71, 268,287.58 and 52,465.85

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Solution

The fourth proportional to 178,830.71, 268,287.58 and 52,465.85 is: 78,710.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,830.71 : 268,287.58 = 52,465.85 : x
  2. Step 2: Convert to fraction form
    178,830.71/268,287.58 = 52,465.85/x
  3. Step 3: Cross multiply
    178,830.71x = 268,287.58 × 52,465.85
  4. Step 4: Simplify right side
    178,830.71x = 14,075,935,929.14
  5. Step 5: Solve for x
    x = 14,075,935,929.14/178,830.71
  6. Step 6: Final answer
    x = 78,710.95

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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.