Home / 156,800.15-235,200.23-154,208.15

Finding the Fourth Proportional to 156,800.15, 235,200.23 and 154,208.15

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Solution

The fourth proportional to 156,800.15, 235,200.23 and 154,208.15 is: 231,312.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,800.15 : 235,200.23 = 154,208.15 : x
  2. Step 2: Convert to fraction form
    156,800.15/235,200.23 = 154,208.15/x
  3. Step 3: Cross multiply
    156,800.15x = 235,200.23 × 154,208.15
  4. Step 4: Simplify right side
    156,800.15x = 36,269,792,347.87
  5. Step 5: Solve for x
    x = 36,269,792,347.87/156,800.15
  6. Step 6: Final answer
    x = 231,312.23

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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.