Home / 235,946.88-325,607.16-128,516.58

Finding the Fourth Proportional to 235,946.88, 325,607.16 and 128,516.58

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Solution

The fourth proportional to 235,946.88, 325,607.16 and 128,516.58 is: 177,353.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,946.88 : 325,607.16 = 128,516.58 : x
  2. Step 2: Convert to fraction form
    235,946.88/325,607.16 = 128,516.58/x
  3. Step 3: Cross multiply
    235,946.88x = 325,607.16 × 128,516.58
  4. Step 4: Simplify right side
    235,946.88x = 41,845,918,626.71
  5. Step 5: Solve for x
    x = 41,845,918,626.71/235,946.88
  6. Step 6: Final answer
    x = 177,353.13

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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.