Home / 346,742.80-520,154.70-110,109.40

Finding the Fourth Proportional to 346,742.80, 520,154.70 and 110,109.40

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Solution

The fourth proportional to 346,742.80, 520,154.70 and 110,109.40 is: 165,176.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,742.80 : 520,154.70 = 110,109.40 : x
  2. Step 2: Convert to fraction form
    346,742.80/520,154.70 = 110,109.40/x
  3. Step 3: Cross multiply
    346,742.80x = 520,154.70 × 110,109.40
  4. Step 4: Simplify right side
    346,742.80x = 57,273,921,924.18
  5. Step 5: Solve for x
    x = 57,273,921,924.18/346,742.80
  6. Step 6: Final answer
    x = 165,176.96

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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.