Home / 447,113.12-670,527.36-147,537.86

Finding the Fourth Proportional to 447,113.12, 670,527.36 and 147,537.86

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Solution

The fourth proportional to 447,113.12, 670,527.36 and 147,537.86 is: 221,259.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,113.12 : 670,527.36 = 147,537.86 : x
  2. Step 2: Convert to fraction form
    447,113.12/670,527.36 = 147,537.86/x
  3. Step 3: Cross multiply
    447,113.12x = 670,527.36 × 147,537.86
  4. Step 4: Simplify right side
    447,113.12x = 98,928,168,413.21
  5. Step 5: Solve for x
    x = 98,928,168,413.21/447,113.12
  6. Step 6: Final answer
    x = 221,259.82

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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.