Home / 285,222.02-393,611.06-156,158.34

Finding the Fourth Proportional to 285,222.02, 393,611.06 and 156,158.34

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Solution

The fourth proportional to 285,222.02, 393,611.06 and 156,158.34 is: 215,501.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,222.02 : 393,611.06 = 156,158.34 : x
  2. Step 2: Convert to fraction form
    285,222.02/393,611.06 = 156,158.34/x
  3. Step 3: Cross multiply
    285,222.02x = 393,611.06 × 156,158.34
  4. Step 4: Simplify right side
    285,222.02x = 61,465,649,735.24
  5. Step 5: Solve for x
    x = 61,465,649,735.24/285,222.02
  6. Step 6: Final answer
    x = 215,501.07

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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.