Home / 118,953.19-178,373.28-69,048.59

Finding the Fourth Proportional to 118,953.19, 178,373.28 and 69,048.59

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Solution

The fourth proportional to 118,953.19, 178,373.28 and 69,048.59 is: 103,540.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,953.19 : 178,373.28 = 69,048.59 : x
  2. Step 2: Convert to fraction form
    118,953.19/178,373.28 = 69,048.59/x
  3. Step 3: Cross multiply
    118,953.19x = 178,373.28 × 69,048.59
  4. Step 4: Simplify right side
    118,953.19x = 12,316,423,477.68
  5. Step 5: Solve for x
    x = 12,316,423,477.68/118,953.19
  6. Step 6: Final answer
    x = 103,540.09

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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.