Home / 447,156.32-670,592.16-147,581.12

Finding the Fourth Proportional to 447,156.32, 670,592.16 and 147,581.12

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Solution

The fourth proportional to 447,156.32, 670,592.16 and 147,581.12 is: 221,324.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,156.32 : 670,592.16 = 147,581.12 : x
  2. Step 2: Convert to fraction form
    447,156.32/670,592.16 = 147,581.12/x
  3. Step 3: Cross multiply
    447,156.32x = 670,592.16 × 147,581.12
  4. Step 4: Simplify right side
    447,156.32x = 98,966,742,036.02
  5. Step 5: Solve for x
    x = 98,966,742,036.02/447,156.32
  6. Step 6: Final answer
    x = 221,324.71

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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.