Home / 191,715.76-264,564.16-104,501.60

Finding the Fourth Proportional to 191,715.76, 264,564.16 and 104,501.60

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Solution

The fourth proportional to 191,715.76, 264,564.16 and 104,501.60 is: 144,210.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,715.76 : 264,564.16 = 104,501.60 : x
  2. Step 2: Convert to fraction form
    191,715.76/264,564.16 = 104,501.60/x
  3. Step 3: Cross multiply
    191,715.76x = 264,564.16 × 104,501.60
  4. Step 4: Simplify right side
    191,715.76x = 27,647,378,022.66
  5. Step 5: Solve for x
    x = 27,647,378,022.66/191,715.76
  6. Step 6: Final answer
    x = 144,210.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.