Home / 125,384.08-188,106.48-72,110.14

Finding the Fourth Proportional to 125,384.08, 188,106.48 and 72,110.14

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Solution

The fourth proportional to 125,384.08, 188,106.48 and 72,110.14 is: 108,182.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,384.08 : 188,106.48 = 72,110.14 : x
  2. Step 2: Convert to fraction form
    125,384.08/188,106.48 = 72,110.14/x
  3. Step 3: Cross multiply
    125,384.08x = 188,106.48 × 72,110.14
  4. Step 4: Simplify right side
    125,384.08x = 13,564,384,607.71
  5. Step 5: Solve for x
    x = 13,564,384,607.71/125,384.08
  6. Step 6: Final answer
    x = 108,182.67

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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.