Home / 346,824.98-520,279.16-122,138.98

Finding the Fourth Proportional to 346,824.98, 520,279.16 and 122,138.98

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Solution

The fourth proportional to 346,824.98, 520,279.16 and 122,138.98 is: 183,223.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,824.98 : 520,279.16 = 122,138.98 : x
  2. Step 2: Convert to fraction form
    346,824.98/520,279.16 = 122,138.98/x
  3. Step 3: Cross multiply
    346,824.98x = 520,279.16 × 122,138.98
  4. Step 4: Simplify right side
    346,824.98x = 63,546,364,006.26
  5. Step 5: Solve for x
    x = 63,546,364,006.26/346,824.98
  6. Step 6: Final answer
    x = 183,223.14

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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.