Home / 113,601.16-156,778.64-62,622.96

Finding the Fourth Proportional to 113,601.16, 156,778.64 and 62,622.96

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Solution

The fourth proportional to 113,601.16, 156,778.64 and 62,622.96 is: 86,424.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,601.16 : 156,778.64 = 62,622.96 : x
  2. Step 2: Convert to fraction form
    113,601.16/156,778.64 = 62,622.96/x
  3. Step 3: Cross multiply
    113,601.16x = 156,778.64 × 62,622.96
  4. Step 4: Simplify right side
    113,601.16x = 9,817,942,501.57
  5. Step 5: Solve for x
    x = 9,817,942,501.57/113,601.16
  6. Step 6: Final answer
    x = 86,424.67

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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.