Home / 238,276.19-328,638.96-161,854.22

Finding the Fourth Proportional to 238,276.19, 328,638.96 and 161,854.22

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Solution

The fourth proportional to 238,276.19, 328,638.96 and 161,854.22 is: 223,235.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,276.19 : 328,638.96 = 161,854.22 : x
  2. Step 2: Convert to fraction form
    238,276.19/328,638.96 = 161,854.22/x
  3. Step 3: Cross multiply
    238,276.19x = 328,638.96 × 161,854.22
  4. Step 4: Simplify right side
    238,276.19x = 53,191,600,889.22
  5. Step 5: Solve for x
    x = 53,191,600,889.22/238,276.19
  6. Step 6: Final answer
    x = 223,235.07

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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.