Home / 208,278.46-312,368.95-58,533.06

Finding the Fourth Proportional to 208,278.46, 312,368.95 and 58,533.06

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Solution

The fourth proportional to 208,278.46, 312,368.95 and 58,533.06 is: 87,785.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,278.46 : 312,368.95 = 58,533.06 : x
  2. Step 2: Convert to fraction form
    208,278.46/312,368.95 = 58,533.06/x
  3. Step 3: Cross multiply
    208,278.46x = 312,368.95 × 58,533.06
  4. Step 4: Simplify right side
    208,278.46x = 18,283,910,492.49
  5. Step 5: Solve for x
    x = 18,283,910,492.49/208,278.46
  6. Step 6: Final answer
    x = 87,785.89

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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.