Home / 117,513.39-162,011.85-93,394.89

Finding the Fourth Proportional to 117,513.39, 162,011.85 and 93,394.89

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Solution

The fourth proportional to 117,513.39, 162,011.85 and 93,394.89 is: 128,760.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,513.39 : 162,011.85 = 93,394.89 : x
  2. Step 2: Convert to fraction form
    117,513.39/162,011.85 = 93,394.89/x
  3. Step 3: Cross multiply
    117,513.39x = 162,011.85 × 93,394.89
  4. Step 4: Simplify right side
    117,513.39x = 15,131,078,909.45
  5. Step 5: Solve for x
    x = 15,131,078,909.45/117,513.39
  6. Step 6: Final answer
    x = 128,760.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.