Home / 185,123.38-277,627.58-66,779.32

Finding the Fourth Proportional to 185,123.38, 277,627.58 and 66,779.32

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Solution

The fourth proportional to 185,123.38, 277,627.58 and 66,779.32 is: 100,148.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,123.38 : 277,627.58 = 66,779.32 : x
  2. Step 2: Convert to fraction form
    185,123.38/277,627.58 = 66,779.32/x
  3. Step 3: Cross multiply
    185,123.38x = 277,627.58 × 66,779.32
  4. Step 4: Simplify right side
    185,123.38x = 18,539,781,005.65
  5. Step 5: Solve for x
    x = 18,539,781,005.65/185,123.38
  6. Step 6: Final answer
    x = 100,148.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.