Home / 150,150.96-206,970.12-118,269.36

Finding the Fourth Proportional to 150,150.96, 206,970.12 and 118,269.36

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Solution

The fourth proportional to 150,150.96, 206,970.12 and 118,269.36 is: 163,024.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,150.96 : 206,970.12 = 118,269.36 : x
  2. Step 2: Convert to fraction form
    150,150.96/206,970.12 = 118,269.36/x
  3. Step 3: Cross multiply
    150,150.96x = 206,970.12 × 118,269.36
  4. Step 4: Simplify right side
    150,150.96x = 24,478,223,631.52
  5. Step 5: Solve for x
    x = 24,478,223,631.52/150,150.96
  6. Step 6: Final answer
    x = 163,024.09

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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.