Home / 346,535.28-519,867.72-109,814.40

Finding the Fourth Proportional to 346,535.28, 519,867.72 and 109,814.40

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Solution

The fourth proportional to 346,535.28, 519,867.72 and 109,814.40 is: 164,742.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,535.28 : 519,867.72 = 109,814.40 : x
  2. Step 2: Convert to fraction form
    346,535.28/519,867.72 = 109,814.40/x
  3. Step 3: Cross multiply
    346,535.28x = 519,867.72 × 109,814.40
  4. Step 4: Simplify right side
    346,535.28x = 57,088,961,751.17
  5. Step 5: Solve for x
    x = 57,088,961,751.17/346,535.28
  6. Step 6: Final answer
    x = 164,742.13

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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.