Home / 302,055.90-453,148.65-91,715.10

Finding the Fourth Proportional to 302,055.90, 453,148.65 and 91,715.10

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Solution

The fourth proportional to 302,055.90, 453,148.65 and 91,715.10 is: 137,592.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,055.90 : 453,148.65 = 91,715.10 : x
  2. Step 2: Convert to fraction form
    302,055.90/453,148.65 = 91,715.10/x
  3. Step 3: Cross multiply
    302,055.90x = 453,148.65 × 91,715.10
  4. Step 4: Simplify right side
    302,055.90x = 41,560,573,749.62
  5. Step 5: Solve for x
    x = 41,560,573,749.62/302,055.90
  6. Step 6: Final answer
    x = 137,592.33

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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.