Home / 251,284.86-346,774.23-138,114.90

Finding the Fourth Proportional to 251,284.86, 346,774.23 and 138,114.90

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Solution

The fourth proportional to 251,284.86, 346,774.23 and 138,114.90 is: 190,599.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,284.86 : 346,774.23 = 138,114.90 : x
  2. Step 2: Convert to fraction form
    251,284.86/346,774.23 = 138,114.90/x
  3. Step 3: Cross multiply
    251,284.86x = 346,774.23 × 138,114.90
  4. Step 4: Simplify right side
    251,284.86x = 47,894,688,099.03
  5. Step 5: Solve for x
    x = 47,894,688,099.03/251,284.86
  6. Step 6: Final answer
    x = 190,599.18

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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.