Home / 235,665.07-325,215.05-128,233.25

Finding the Fourth Proportional to 235,665.07, 325,215.05 and 128,233.25

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Solution

The fourth proportional to 235,665.07, 325,215.05 and 128,233.25 is: 176,960.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,665.07 : 325,215.05 = 128,233.25 : x
  2. Step 2: Convert to fraction form
    235,665.07/325,215.05 = 128,233.25/x
  3. Step 3: Cross multiply
    235,665.07x = 325,215.05 × 128,233.25
  4. Step 4: Simplify right side
    235,665.07x = 41,703,381,184.34
  5. Step 5: Solve for x
    x = 41,703,381,184.34/235,665.07
  6. Step 6: Final answer
    x = 176,960.39

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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.