Home / 346,820.96-520,240.68-122,130.33

Finding the Fourth Proportional to 346,820.96, 520,240.68 and 122,130.33

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Solution

The fourth proportional to 346,820.96, 520,240.68 and 122,130.33 is: 183,198.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,820.96 : 520,240.68 = 122,130.33 : x
  2. Step 2: Convert to fraction form
    346,820.96/520,240.68 = 122,130.33/x
  3. Step 3: Cross multiply
    346,820.96x = 520,240.68 × 122,130.33
  4. Step 4: Simplify right side
    346,820.96x = 63,537,165,927.82
  5. Step 5: Solve for x
    x = 63,537,165,927.82/346,820.96
  6. Step 6: Final answer
    x = 183,198.75

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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.