Home / 447,109.10-670,521.38-147,533.84

Finding the Fourth Proportional to 447,109.10, 670,521.38 and 147,533.84

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Solution

The fourth proportional to 447,109.10, 670,521.38 and 147,533.84 is: 221,253.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,109.10 : 670,521.38 = 147,533.84 : x
  2. Step 2: Convert to fraction form
    447,109.10/670,521.38 = 147,533.84/x
  3. Step 3: Cross multiply
    447,109.10x = 670,521.38 × 147,533.84
  4. Step 4: Simplify right side
    447,109.10x = 98,924,590,640.89
  5. Step 5: Solve for x
    x = 98,924,590,640.89/447,109.10
  6. Step 6: Final answer
    x = 221,253.81

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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.