Home / 190,815.06-287,594.14-164,478.91

Finding the Fourth Proportional to 190,815.06, 287,594.14 and 164,478.91

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Solution

The fourth proportional to 190,815.06, 287,594.14 and 164,478.91 is: 247,900.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,815.06 : 287,594.14 = 164,478.91 : x
  2. Step 2: Convert to fraction form
    190,815.06/287,594.14 = 164,478.91/x
  3. Step 3: Cross multiply
    190,815.06x = 287,594.14 × 164,478.91
  4. Step 4: Simplify right side
    190,815.06x = 47,303,171,658.50
  5. Step 5: Solve for x
    x = 47,303,171,658.50/190,815.06
  6. Step 6: Final answer
    x = 247,900.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.