Home / 265,890.77-366,934.25-145,036.37

Finding the Fourth Proportional to 265,890.77, 366,934.25 and 145,036.37

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Solution

The fourth proportional to 265,890.77, 366,934.25 and 145,036.37 is: 200,152.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,890.77 : 366,934.25 = 145,036.37 : x
  2. Step 2: Convert to fraction form
    265,890.77/366,934.25 = 145,036.37/x
  3. Step 3: Cross multiply
    265,890.77x = 366,934.25 × 145,036.37
  4. Step 4: Simplify right side
    265,890.77x = 53,218,809,088.82
  5. Step 5: Solve for x
    x = 53,218,809,088.82/265,890.77
  6. Step 6: Final answer
    x = 200,152.91

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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.