Home / 292,118.12-403,141.80-164,790.98

Finding the Fourth Proportional to 292,118.12, 403,141.80 and 164,790.98

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Solution

The fourth proportional to 292,118.12, 403,141.80 and 164,790.98 is: 227,422.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,118.12 : 403,141.80 = 164,790.98 : x
  2. Step 2: Convert to fraction form
    292,118.12/403,141.80 = 164,790.98/x
  3. Step 3: Cross multiply
    292,118.12x = 403,141.80 × 164,790.98
  4. Step 4: Simplify right side
    292,118.12x = 66,434,132,300.96
  5. Step 5: Solve for x
    x = 66,434,132,300.96/292,118.12
  6. Step 6: Final answer
    x = 227,422.15

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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.