Home / 158,415.12-237,623.19-40,086.45

Finding the Fourth Proportional to 158,415.12, 237,623.19 and 40,086.45

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Solution

The fourth proportional to 158,415.12, 237,623.19 and 40,086.45 is: 60,129.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,415.12 : 237,623.19 = 40,086.45 : x
  2. Step 2: Convert to fraction form
    158,415.12/237,623.19 = 40,086.45/x
  3. Step 3: Cross multiply
    158,415.12x = 237,623.19 × 40,086.45
  4. Step 4: Simplify right side
    158,415.12x = 9,525,470,124.78
  5. Step 5: Solve for x
    x = 9,525,470,124.78/158,415.12
  6. Step 6: Final answer
    x = 60,129.80

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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.