Home / 358,126.24-537,112.56-147,709.60

Finding the Fourth Proportional to 358,126.24, 537,112.56 and 147,709.60

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Solution

The fourth proportional to 358,126.24, 537,112.56 and 147,709.60 is: 221,532.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,126.24 : 537,112.56 = 147,709.60 : x
  2. Step 2: Convert to fraction form
    358,126.24/537,112.56 = 147,709.60/x
  3. Step 3: Cross multiply
    358,126.24x = 537,112.56 × 147,709.60
  4. Step 4: Simplify right side
    358,126.24x = 79,336,681,392.58
  5. Step 5: Solve for x
    x = 79,336,681,392.58/358,126.24
  6. Step 6: Final answer
    x = 221,532.72

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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.