Home / 344,459.10-516,511.58-154,756.90

Finding the Fourth Proportional to 344,459.10, 516,511.58 and 154,756.90

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Solution

The fourth proportional to 344,459.10, 516,511.58 and 154,756.90 is: 232,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,459.10 : 516,511.58 = 154,756.90 : x
  2. Step 2: Convert to fraction form
    344,459.10/516,511.58 = 154,756.90/x
  3. Step 3: Cross multiply
    344,459.10x = 516,511.58 × 154,756.90
  4. Step 4: Simplify right side
    344,459.10x = 79,933,730,934.90
  5. Step 5: Solve for x
    x = 79,933,730,934.90/344,459.10
  6. Step 6: Final answer
    x = 232,055.80

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1.5x scale

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.