Home / 213,545.43-294,684.48-127,518.87

Finding the Fourth Proportional to 213,545.43, 294,684.48 and 127,518.87

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Solution

The fourth proportional to 213,545.43, 294,684.48 and 127,518.87 is: 175,971.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,545.43 : 294,684.48 = 127,518.87 : x
  2. Step 2: Convert to fraction form
    213,545.43/294,684.48 = 127,518.87/x
  3. Step 3: Cross multiply
    213,545.43x = 294,684.48 × 127,518.87
  4. Step 4: Simplify right side
    213,545.43x = 37,577,831,896.14
  5. Step 5: Solve for x
    x = 37,577,831,896.14/213,545.43
  6. Step 6: Final answer
    x = 175,971.14

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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.