Home / 454,616.93-681,900.66-139,073.84

Finding the Fourth Proportional to 454,616.93, 681,900.66 and 139,073.84

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Solution

The fourth proportional to 454,616.93, 681,900.66 and 139,073.84 is: 208,603.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,616.93 : 681,900.66 = 139,073.84 : x
  2. Step 2: Convert to fraction form
    454,616.93/681,900.66 = 139,073.84/x
  3. Step 3: Cross multiply
    454,616.93x = 681,900.66 × 139,073.84
  4. Step 4: Simplify right side
    454,616.93x = 94,834,539,875.23
  5. Step 5: Solve for x
    x = 94,834,539,875.23/454,616.93
  6. Step 6: Final answer
    x = 208,603.18

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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.