Home / 235,487.22-324,973.89-128,058.42

Finding the Fourth Proportional to 235,487.22, 324,973.89 and 128,058.42

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Solution

The fourth proportional to 235,487.22, 324,973.89 and 128,058.42 is: 176,721.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,487.22 : 324,973.89 = 128,058.42 : x
  2. Step 2: Convert to fraction form
    235,487.22/324,973.89 = 128,058.42/x
  3. Step 3: Cross multiply
    235,487.22x = 324,973.89 × 128,058.42
  4. Step 4: Simplify right side
    235,487.22x = 41,615,642,894.65
  5. Step 5: Solve for x
    x = 41,615,642,894.65/235,487.22
  6. Step 6: Final answer
    x = 176,721.45

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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.