Home / 216,501.93-298,773.77-121,006.58

Finding the Fourth Proportional to 216,501.93, 298,773.77 and 121,006.58

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Solution

The fourth proportional to 216,501.93, 298,773.77 and 121,006.58 is: 166,989.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,501.93 : 298,773.77 = 121,006.58 : x
  2. Step 2: Convert to fraction form
    216,501.93/298,773.77 = 121,006.58/x
  3. Step 3: Cross multiply
    216,501.93x = 298,773.77 × 121,006.58
  4. Step 4: Simplify right side
    216,501.93x = 36,153,590,002.50
  5. Step 5: Solve for x
    x = 36,153,590,002.50/216,501.93
  6. Step 6: Final answer
    x = 166,989.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.