Home / 210,003.48-315,006.36-52,231.93

Finding the Fourth Proportional to 210,003.48, 315,006.36 and 52,231.93

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Solution

The fourth proportional to 210,003.48, 315,006.36 and 52,231.93 is: 78,348.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,003.48 : 315,006.36 = 52,231.93 : x
  2. Step 2: Convert to fraction form
    210,003.48/315,006.36 = 52,231.93/x
  3. Step 3: Cross multiply
    210,003.48x = 315,006.36 × 52,231.93
  4. Step 4: Simplify right side
    210,003.48x = 16,453,390,145.07
  5. Step 5: Solve for x
    x = 16,453,390,145.07/210,003.48
  6. Step 6: Final answer
    x = 78,348.18

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1.5x scale

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.