Home / 134,464.86-201,698.91-45,720.18

Finding the Fourth Proportional to 134,464.86, 201,698.91 and 45,720.18

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Solution

The fourth proportional to 134,464.86, 201,698.91 and 45,720.18 is: 68,580.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,464.86 : 201,698.91 = 45,720.18 : x
  2. Step 2: Convert to fraction form
    134,464.86/201,698.91 = 45,720.18/x
  3. Step 3: Cross multiply
    134,464.86x = 201,698.91 × 45,720.18
  4. Step 4: Simplify right side
    134,464.86x = 9,221,710,471.00
  5. Step 5: Solve for x
    x = 9,221,710,471.00/134,464.86
  6. Step 6: Final answer
    x = 68,580.82

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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.