Home / 210,090.42-315,087.64-60,329.52

Finding the Fourth Proportional to 210,090.42, 315,087.64 and 60,329.52

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Solution

The fourth proportional to 210,090.42, 315,087.64 and 60,329.52 is: 90,480.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,090.42 : 315,087.64 = 60,329.52 : x
  2. Step 2: Convert to fraction form
    210,090.42/315,087.64 = 60,329.52/x
  3. Step 3: Cross multiply
    210,090.42x = 315,087.64 × 60,329.52
  4. Step 4: Simplify right side
    210,090.42x = 19,009,086,079.13
  5. Step 5: Solve for x
    x = 19,009,086,079.13/210,090.42
  6. Step 6: Final answer
    x = 90,480.50

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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.