Home / 290,608.48-401,050.02-163,281.52

Finding the Fourth Proportional to 290,608.48, 401,050.02 and 163,281.52

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Solution

The fourth proportional to 290,608.48, 401,050.02 and 163,281.52 is: 225,334.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,608.48 : 401,050.02 = 163,281.52 : x
  2. Step 2: Convert to fraction form
    290,608.48/401,050.02 = 163,281.52/x
  3. Step 3: Cross multiply
    290,608.48x = 401,050.02 × 163,281.52
  4. Step 4: Simplify right side
    290,608.48x = 65,484,056,861.63
  5. Step 5: Solve for x
    x = 65,484,056,861.63/290,608.48
  6. Step 6: Final answer
    x = 225,334.29

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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.