Home / 136,382.16-188,056.86-93,368.65

Finding the Fourth Proportional to 136,382.16, 188,056.86 and 93,368.65

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Solution

The fourth proportional to 136,382.16, 188,056.86 and 93,368.65 is: 128,745.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,382.16 : 188,056.86 = 93,368.65 : x
  2. Step 2: Convert to fraction form
    136,382.16/188,056.86 = 93,368.65/x
  3. Step 3: Cross multiply
    136,382.16x = 188,056.86 × 93,368.65
  4. Step 4: Simplify right side
    136,382.16x = 17,558,615,461.57
  5. Step 5: Solve for x
    x = 17,558,615,461.57/136,382.16
  6. Step 6: Final answer
    x = 128,745.70

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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.