Home / 276,730.40-415,095.60-191,109.35

Finding the Fourth Proportional to 276,730.40, 415,095.60 and 191,109.35

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Solution

The fourth proportional to 276,730.40, 415,095.60 and 191,109.35 is: 286,664.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,730.40 : 415,095.60 = 191,109.35 : x
  2. Step 2: Convert to fraction form
    276,730.40/415,095.60 = 191,109.35/x
  3. Step 3: Cross multiply
    276,730.40x = 415,095.60 × 191,109.35
  4. Step 4: Simplify right side
    276,730.40x = 79,328,650,303.86
  5. Step 5: Solve for x
    x = 79,328,650,303.86/276,730.40
  6. Step 6: Final answer
    x = 286,664.03

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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.