Home / 244,683.20-366,938.40-86,916.80

Finding the Fourth Proportional to 244,683.20, 366,938.40 and 86,916.80

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Solution

The fourth proportional to 244,683.20, 366,938.40 and 86,916.80 is: 130,344.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,683.20 : 366,938.40 = 86,916.80 : x
  2. Step 2: Convert to fraction form
    244,683.20/366,938.40 = 86,916.80/x
  3. Step 3: Cross multiply
    244,683.20x = 366,938.40 × 86,916.80
  4. Step 4: Simplify right side
    244,683.20x = 31,893,111,525.12
  5. Step 5: Solve for x
    x = 31,893,111,525.12/244,683.20
  6. Step 6: Final answer
    x = 130,344.51

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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.