Home / 242,581.20-334,535-191,715.46

Finding the Fourth Proportional to 242,581.20, 334,535 and 191,715.46

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Solution

The fourth proportional to 242,581.20, 334,535 and 191,715.46 is: 264,387.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,581.20 : 334,535 = 191,715.46 : x
  2. Step 2: Convert to fraction form
    242,581.20/334,535 = 191,715.46/x
  3. Step 3: Cross multiply
    242,581.20x = 334,535 × 191,715.46
  4. Step 4: Simplify right side
    242,581.20x = 64,135,531,411.10
  5. Step 5: Solve for x
    x = 64,135,531,411.10/242,581.20
  6. Step 6: Final answer
    x = 264,387.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.