Home / 454,616.15-681,899.48-139,073.05

Finding the Fourth Proportional to 454,616.15, 681,899.48 and 139,073.05

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Solution

The fourth proportional to 454,616.15, 681,899.48 and 139,073.05 is: 208,602.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,616.15 : 681,899.48 = 139,073.05 : x
  2. Step 2: Convert to fraction form
    454,616.15/681,899.48 = 139,073.05/x
  3. Step 3: Cross multiply
    454,616.15x = 681,899.48 × 139,073.05
  4. Step 4: Simplify right side
    454,616.15x = 94,833,841,155.55
  5. Step 5: Solve for x
    x = 94,833,841,155.55/454,616.15
  6. Step 6: Final answer
    x = 208,602.01

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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.