Home / 340,357.40-510,536.10-103,669.33

Finding the Fourth Proportional to 340,357.40, 510,536.10 and 103,669.33

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Solution

The fourth proportional to 340,357.40, 510,536.10 and 103,669.33 is: 155,504.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,357.40 : 510,536.10 = 103,669.33 : x
  2. Step 2: Convert to fraction form
    340,357.40/510,536.10 = 103,669.33/x
  3. Step 3: Cross multiply
    340,357.40x = 510,536.10 × 103,669.33
  4. Step 4: Simplify right side
    340,357.40x = 52,926,935,427.81
  5. Step 5: Solve for x
    x = 52,926,935,427.81/340,357.40
  6. Step 6: Final answer
    x = 155,504.00

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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.