Home / 346,439.09-519,702.38-109,697.15

Finding the Fourth Proportional to 346,439.09, 519,702.38 and 109,697.15

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Solution

The fourth proportional to 346,439.09, 519,702.38 and 109,697.15 is: 164,559.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,439.09 : 519,702.38 = 109,697.15 : x
  2. Step 2: Convert to fraction form
    346,439.09/519,702.38 = 109,697.15/x
  3. Step 3: Cross multiply
    346,439.09x = 519,702.38 × 109,697.15
  4. Step 4: Simplify right side
    346,439.09x = 57,009,869,934.22
  5. Step 5: Solve for x
    x = 57,009,869,934.22/346,439.09
  6. Step 6: Final answer
    x = 164,559.58

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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.