Home / 292,208.34-403,243.59-163,148.80

Finding the Fourth Proportional to 292,208.34, 403,243.59 and 163,148.80

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Solution

The fourth proportional to 292,208.34, 403,243.59 and 163,148.80 is: 225,143.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,208.34 : 403,243.59 = 163,148.80 : x
  2. Step 2: Convert to fraction form
    292,208.34/403,243.59 = 163,148.80/x
  3. Step 3: Cross multiply
    292,208.34x = 403,243.59 × 163,148.80
  4. Step 4: Simplify right side
    292,208.34x = 65,788,705,499.72
  5. Step 5: Solve for x
    x = 65,788,705,499.72/292,208.34
  6. Step 6: Final answer
    x = 225,143.14

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1.5x scale

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.