Home / 186,533.91-257,458.37-118,537.61

Finding the Fourth Proportional to 186,533.91, 257,458.37 and 118,537.61

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Solution

The fourth proportional to 186,533.91, 257,458.37 and 118,537.61 is: 163,608.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,533.91 : 257,458.37 = 118,537.61 : x
  2. Step 2: Convert to fraction form
    186,533.91/257,458.37 = 118,537.61/x
  3. Step 3: Cross multiply
    186,533.91x = 257,458.37 × 118,537.61
  4. Step 4: Simplify right side
    186,533.91x = 30,518,497,974.32
  5. Step 5: Solve for x
    x = 30,518,497,974.32/186,533.91
  6. Step 6: Final answer
    x = 163,608.31

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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.