Home / 257,050.19-354,725.60-142,317.83

Finding the Fourth Proportional to 257,050.19, 354,725.60 and 142,317.83

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Solution

The fourth proportional to 257,050.19, 354,725.60 and 142,317.83 is: 196,396.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,050.19 : 354,725.60 = 142,317.83 : x
  2. Step 2: Convert to fraction form
    257,050.19/354,725.60 = 142,317.83/x
  3. Step 3: Cross multiply
    257,050.19x = 354,725.60 × 142,317.83
  4. Step 4: Simplify right side
    257,050.19x = 50,483,776,925.86
  5. Step 5: Solve for x
    x = 50,483,776,925.86/257,050.19
  6. Step 6: Final answer
    x = 196,396.58

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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.