Home / 316,721.34-474,622.74-174,595.50

Finding the Fourth Proportional to 316,721.34, 474,622.74 and 174,595.50

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Solution

The fourth proportional to 316,721.34, 474,622.74 and 174,595.50 is: 261,640.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,721.34 : 474,622.74 = 174,595.50 : x
  2. Step 2: Convert to fraction form
    316,721.34/474,622.74 = 174,595.50/x
  3. Step 3: Cross multiply
    316,721.34x = 474,622.74 × 174,595.50
  4. Step 4: Simplify right side
    316,721.34x = 82,866,994,601.67
  5. Step 5: Solve for x
    x = 82,866,994,601.67/316,721.34
  6. Step 6: Final answer
    x = 261,640.07

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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.