Home / 235,941.30-325,596.24-128,511

Finding the Fourth Proportional to 235,941.30, 325,596.24 and 128,511

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Solution

The fourth proportional to 235,941.30, 325,596.24 and 128,511 is: 177,343.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,941.30 : 325,596.24 = 128,511 : x
  2. Step 2: Convert to fraction form
    235,941.30/325,596.24 = 128,511/x
  3. Step 3: Cross multiply
    235,941.30x = 325,596.24 × 128,511
  4. Step 4: Simplify right side
    235,941.30x = 41,842,698,398.64
  5. Step 5: Solve for x
    x = 41,842,698,398.64/235,941.30
  6. Step 6: Final answer
    x = 177,343.68

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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.