Home / 162,207.63-222,220.76-156,142.98

Finding the Fourth Proportional to 162,207.63, 222,220.76 and 156,142.98

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Solution

The fourth proportional to 162,207.63, 222,220.76 and 156,142.98 is: 213,912.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,207.63 : 222,220.76 = 156,142.98 : x
  2. Step 2: Convert to fraction form
    162,207.63/222,220.76 = 156,142.98/x
  3. Step 3: Cross multiply
    162,207.63x = 222,220.76 × 156,142.98
  4. Step 4: Simplify right side
    162,207.63x = 34,698,210,903.55
  5. Step 5: Solve for x
    x = 34,698,210,903.55/162,207.63
  6. Step 6: Final answer
    x = 213,912.32

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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.