Home / 302,307.57-453,388.39-89,017.49

Finding the Fourth Proportional to 302,307.57, 453,388.39 and 89,017.49

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Solution

The fourth proportional to 302,307.57, 453,388.39 and 89,017.49 is: 133,504.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,307.57 : 453,388.39 = 89,017.49 : x
  2. Step 2: Convert to fraction form
    302,307.57/453,388.39 = 89,017.49/x
  3. Step 3: Cross multiply
    302,307.57x = 453,388.39 × 89,017.49
  4. Step 4: Simplify right side
    302,307.57x = 40,359,495,715.66
  5. Step 5: Solve for x
    x = 40,359,495,715.66/302,307.57
  6. Step 6: Final answer
    x = 133,504.75

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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.