Home / 454,544.40-681,915-174,061.64

Finding the Fourth Proportional to 454,544.40, 681,915 and 174,061.64

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Solution

The fourth proportional to 454,544.40, 681,915 and 174,061.64 is: 261,130.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,544.40 : 681,915 = 174,061.64 : x
  2. Step 2: Convert to fraction form
    454,544.40/681,915 = 174,061.64/x
  3. Step 3: Cross multiply
    454,544.40x = 681,915 × 174,061.64
  4. Step 4: Simplify right side
    454,544.40x = 118,695,243,240.60
  5. Step 5: Solve for x
    x = 118,695,243,240.60/454,544.40
  6. Step 6: Final answer
    x = 261,130.14

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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.