Home / 235,948.14-325,615.95-128,521.62

Finding the Fourth Proportional to 235,948.14, 325,615.95 and 128,521.62

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Solution

The fourth proportional to 235,948.14, 325,615.95 and 128,521.62 is: 177,363.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,948.14 : 325,615.95 = 128,521.62 : x
  2. Step 2: Convert to fraction form
    235,948.14/325,615.95 = 128,521.62/x
  3. Step 3: Cross multiply
    235,948.14x = 325,615.95 × 128,521.62
  4. Step 4: Simplify right side
    235,948.14x = 41,848,689,391.84
  5. Step 5: Solve for x
    x = 41,848,689,391.84/235,948.14
  6. Step 6: Final answer
    x = 177,363.93

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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.