Home / 116,529.80-174,924.30-72,206.60

Finding the Fourth Proportional to 116,529.80, 174,924.30 and 72,206.60

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Solution

The fourth proportional to 116,529.80, 174,924.30 and 72,206.60 is: 108,390.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,529.80 : 174,924.30 = 72,206.60 : x
  2. Step 2: Convert to fraction form
    116,529.80/174,924.30 = 72,206.60/x
  3. Step 3: Cross multiply
    116,529.80x = 174,924.30 × 72,206.60
  4. Step 4: Simplify right side
    116,529.80x = 12,630,688,960.38
  5. Step 5: Solve for x
    x = 12,630,688,960.38/116,529.80
  6. Step 6: Final answer
    x = 108,390.21

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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.