Home / 210,525.48-315,567.63-98,112.96

Finding the Fourth Proportional to 210,525.48, 315,567.63 and 98,112.96

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Solution

The fourth proportional to 210,525.48, 315,567.63 and 98,112.96 is: 147,066.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,525.48 : 315,567.63 = 98,112.96 : x
  2. Step 2: Convert to fraction form
    210,525.48/315,567.63 = 98,112.96/x
  3. Step 3: Cross multiply
    210,525.48x = 315,567.63 × 98,112.96
  4. Step 4: Simplify right side
    210,525.48x = 30,961,274,259.48
  5. Step 5: Solve for x
    x = 30,961,274,259.48/210,525.48
  6. Step 6: Final answer
    x = 147,066.64

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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.