Home / 235,733.36-325,312.01-128,304.16

Finding the Fourth Proportional to 235,733.36, 325,312.01 and 128,304.16

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Solution

The fourth proportional to 235,733.36, 325,312.01 and 128,304.16 is: 177,059.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,733.36 : 325,312.01 = 128,304.16 : x
  2. Step 2: Convert to fraction form
    235,733.36/325,312.01 = 128,304.16/x
  3. Step 3: Cross multiply
    235,733.36x = 325,312.01 × 128,304.16
  4. Step 4: Simplify right side
    235,733.36x = 41,738,884,180.96
  5. Step 5: Solve for x
    x = 41,738,884,180.96/235,733.36
  6. Step 6: Final answer
    x = 177,059.73

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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.