Home / 235,606.23-325,140.48-128,176.34

Finding the Fourth Proportional to 235,606.23, 325,140.48 and 128,176.34

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Solution

The fourth proportional to 235,606.23, 325,140.48 and 128,176.34 is: 176,885.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,606.23 : 325,140.48 = 128,176.34 : x
  2. Step 2: Convert to fraction form
    235,606.23/325,140.48 = 128,176.34/x
  3. Step 3: Cross multiply
    235,606.23x = 325,140.48 × 128,176.34
  4. Step 4: Simplify right side
    235,606.23x = 41,675,315,086.54
  5. Step 5: Solve for x
    x = 41,675,315,086.54/235,606.23
  6. Step 6: Final answer
    x = 176,885.45

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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.