Home / 251,289.52-346,779.72-138,112.24

Finding the Fourth Proportional to 251,289.52, 346,779.72 and 138,112.24

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Solution

The fourth proportional to 251,289.52, 346,779.72 and 138,112.24 is: 190,594.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,289.52 : 346,779.72 = 138,112.24 : x
  2. Step 2: Convert to fraction form
    251,289.52/346,779.72 = 138,112.24/x
  3. Step 3: Cross multiply
    251,289.52x = 346,779.72 × 138,112.24
  4. Step 4: Simplify right side
    251,289.52x = 47,894,523,915.77
  5. Step 5: Solve for x
    x = 47,894,523,915.77/251,289.52
  6. Step 6: Final answer
    x = 190,594.99

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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.