Home / 210,187.16-315,277.42-97,804.52

Finding the Fourth Proportional to 210,187.16, 315,277.42 and 97,804.52

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Solution

The fourth proportional to 210,187.16, 315,277.42 and 97,804.52 is: 146,705.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,187.16 : 315,277.42 = 97,804.52 : x
  2. Step 2: Convert to fraction form
    210,187.16/315,277.42 = 97,804.52/x
  3. Step 3: Cross multiply
    210,187.16x = 315,277.42 × 97,804.52
  4. Step 4: Simplify right side
    210,187.16x = 30,835,556,729.94
  5. Step 5: Solve for x
    x = 30,835,556,729.94/210,187.16
  6. Step 6: Final answer
    x = 146,705.24

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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.