Home / 113,271.89-156,319.20-62,288.51

Finding the Fourth Proportional to 113,271.89, 156,319.20 and 62,288.51

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Solution

The fourth proportional to 113,271.89, 156,319.20 and 62,288.51 is: 85,960.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,271.89 : 156,319.20 = 62,288.51 : x
  2. Step 2: Convert to fraction form
    113,271.89/156,319.20 = 62,288.51/x
  3. Step 3: Cross multiply
    113,271.89x = 156,319.20 × 62,288.51
  4. Step 4: Simplify right side
    113,271.89x = 9,736,889,270.80
  5. Step 5: Solve for x
    x = 9,736,889,270.80/113,271.89
  6. Step 6: Final answer
    x = 85,960.34

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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.