Home / 284,683.06-392,608.12-236,208.21

Finding the Fourth Proportional to 284,683.06, 392,608.12 and 236,208.21

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Solution

The fourth proportional to 284,683.06, 392,608.12 and 236,208.21 is: 325,756.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,683.06 : 392,608.12 = 236,208.21 : x
  2. Step 2: Convert to fraction form
    284,683.06/392,608.12 = 236,208.21/x
  3. Step 3: Cross multiply
    284,683.06x = 392,608.12 × 236,208.21
  4. Step 4: Simplify right side
    284,683.06x = 92,737,261,256.67
  5. Step 5: Solve for x
    x = 92,737,261,256.67/284,683.06
  6. Step 6: Final answer
    x = 325,756.16

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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.