Home / 216,280.16-296,298.86-208,193.94

Finding the Fourth Proportional to 216,280.16, 296,298.86 and 208,193.94

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Solution

The fourth proportional to 216,280.16, 296,298.86 and 208,193.94 is: 285,220.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,280.16 : 296,298.86 = 208,193.94 : x
  2. Step 2: Convert to fraction form
    216,280.16/296,298.86 = 208,193.94/x
  3. Step 3: Cross multiply
    216,280.16x = 296,298.86 × 208,193.94
  4. Step 4: Simplify right side
    216,280.16x = 61,687,626,039.94
  5. Step 5: Solve for x
    x = 61,687,626,039.94/216,280.16
  6. Step 6: Final answer
    x = 285,220.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.