Home / 346,211.70-519,390.45-109,578.30

Finding the Fourth Proportional to 346,211.70, 519,390.45 and 109,578.30

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Solution

The fourth proportional to 346,211.70, 519,390.45 and 109,578.30 is: 164,390.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,211.70 : 519,390.45 = 109,578.30 : x
  2. Step 2: Convert to fraction form
    346,211.70/519,390.45 = 109,578.30/x
  3. Step 3: Cross multiply
    346,211.70x = 519,390.45 × 109,578.30
  4. Step 4: Simplify right side
    346,211.70x = 56,913,922,547.24
  5. Step 5: Solve for x
    x = 56,913,922,547.24/346,211.70
  6. Step 6: Final answer
    x = 164,390.52

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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.