Home / 185,313.19-278,038.98-73,071.66

Finding the Fourth Proportional to 185,313.19, 278,038.98 and 73,071.66

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Solution

The fourth proportional to 185,313.19, 278,038.98 and 73,071.66 is: 109,634.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,313.19 : 278,038.98 = 73,071.66 : x
  2. Step 2: Convert to fraction form
    185,313.19/278,038.98 = 73,071.66/x
  3. Step 3: Cross multiply
    185,313.19x = 278,038.98 × 73,071.66
  4. Step 4: Simplify right side
    185,313.19x = 20,316,768,900.99
  5. Step 5: Solve for x
    x = 20,316,768,900.99/185,313.19
  6. Step 6: Final answer
    x = 109,634.77

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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.