Home / 302,495.10-453,742.65-103,040.70

Finding the Fourth Proportional to 302,495.10, 453,742.65 and 103,040.70

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Solution

The fourth proportional to 302,495.10, 453,742.65 and 103,040.70 is: 154,561.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,495.10 : 453,742.65 = 103,040.70 : x
  2. Step 2: Convert to fraction form
    302,495.10/453,742.65 = 103,040.70/x
  3. Step 3: Cross multiply
    302,495.10x = 453,742.65 × 103,040.70
  4. Step 4: Simplify right side
    302,495.10x = 46,753,960,275.86
  5. Step 5: Solve for x
    x = 46,753,960,275.86/302,495.10
  6. Step 6: Final answer
    x = 154,561.05

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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.