Home / 302,022.09-453,022.65-77,384.40

Finding the Fourth Proportional to 302,022.09, 453,022.65 and 77,384.40

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Solution

The fourth proportional to 302,022.09, 453,022.65 and 77,384.40 is: 116,073.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,022.09 : 453,022.65 = 77,384.40 : x
  2. Step 2: Convert to fraction form
    302,022.09/453,022.65 = 77,384.40/x
  3. Step 3: Cross multiply
    302,022.09x = 453,022.65 × 77,384.40
  4. Step 4: Simplify right side
    302,022.09x = 35,056,885,956.66
  5. Step 5: Solve for x
    x = 35,056,885,956.66/302,022.09
  6. Step 6: Final answer
    x = 116,073.91

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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.