Home / 346,364.15-519,575.69-121,705.18

Finding the Fourth Proportional to 346,364.15, 519,575.69 and 121,705.18

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Solution

The fourth proportional to 346,364.15, 519,575.69 and 121,705.18 is: 182,568.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,364.15 : 519,575.69 = 121,705.18 : x
  2. Step 2: Convert to fraction form
    346,364.15/519,575.69 = 121,705.18/x
  3. Step 3: Cross multiply
    346,364.15x = 519,575.69 × 121,705.18
  4. Step 4: Simplify right side
    346,364.15x = 63,235,054,021.88
  5. Step 5: Solve for x
    x = 63,235,054,021.88/346,364.15
  6. Step 6: Final answer
    x = 182,568.13

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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.