Home / 157,986.20-237,011.70-52,880.60

Finding the Fourth Proportional to 157,986.20, 237,011.70 and 52,880.60

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Solution

The fourth proportional to 157,986.20, 237,011.70 and 52,880.60 is: 79,331.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,986.20 : 237,011.70 = 52,880.60 : x
  2. Step 2: Convert to fraction form
    157,986.20/237,011.70 = 52,880.60/x
  3. Step 3: Cross multiply
    157,986.20x = 237,011.70 × 52,880.60
  4. Step 4: Simplify right side
    157,986.20x = 12,533,320,903.02
  5. Step 5: Solve for x
    x = 12,533,320,903.02/157,986.20
  6. Step 6: Final answer
    x = 79,331.74

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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.