Home / 346,824.36-520,278.22-122,138.36

Finding the Fourth Proportional to 346,824.36, 520,278.22 and 122,138.36

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Solution

The fourth proportional to 346,824.36, 520,278.22 and 122,138.36 is: 183,222.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,824.36 : 520,278.22 = 122,138.36 : x
  2. Step 2: Convert to fraction form
    346,824.36/520,278.22 = 122,138.36/x
  3. Step 3: Cross multiply
    346,824.36x = 520,278.22 × 122,138.36
  4. Step 4: Simplify right side
    346,824.36x = 63,545,925,933.13
  5. Step 5: Solve for x
    x = 63,545,925,933.13/346,824.36
  6. Step 6: Final answer
    x = 183,222.21

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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.