Home / 191,039.76-286,360.32-106,676.24

Finding the Fourth Proportional to 191,039.76, 286,360.32 and 106,676.24

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Solution

The fourth proportional to 191,039.76, 286,360.32 and 106,676.24 is: 159,903.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,039.76 : 286,360.32 = 106,676.24 : x
  2. Step 2: Convert to fraction form
    191,039.76/286,360.32 = 106,676.24/x
  3. Step 3: Cross multiply
    191,039.76x = 286,360.32 × 106,676.24
  4. Step 4: Simplify right side
    191,039.76x = 30,547,842,222.80
  5. Step 5: Solve for x
    x = 30,547,842,222.80/191,039.76
  6. Step 6: Final answer
    x = 159,903.06

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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.