Home / 118,341.07-163,331.70-69,940.93

Finding the Fourth Proportional to 118,341.07, 163,331.70 and 69,940.93

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Solution

The fourth proportional to 118,341.07, 163,331.70 and 69,940.93 is: 96,530.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,341.07 : 163,331.70 = 69,940.93 : x
  2. Step 2: Convert to fraction form
    118,341.07/163,331.70 = 69,940.93/x
  3. Step 3: Cross multiply
    118,341.07x = 163,331.70 × 69,940.93
  4. Step 4: Simplify right side
    118,341.07x = 11,423,570,996.48
  5. Step 5: Solve for x
    x = 11,423,570,996.48/118,341.07
  6. Step 6: Final answer
    x = 96,530.91

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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.