Home / 320,848.77-481,746.27-178,971.24

Finding the Fourth Proportional to 320,848.77, 481,746.27 and 178,971.24

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Solution

The fourth proportional to 320,848.77, 481,746.27 and 178,971.24 is: 268,720.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,848.77 : 481,746.27 = 178,971.24 : x
  2. Step 2: Convert to fraction form
    320,848.77/481,746.27 = 178,971.24/x
  3. Step 3: Cross multiply
    320,848.77x = 481,746.27 × 178,971.24
  4. Step 4: Simplify right side
    320,848.77x = 86,218,727,307.27
  5. Step 5: Solve for x
    x = 86,218,727,307.27/320,848.77
  6. Step 6: Final answer
    x = 268,720.77

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1.5x scale

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.