Home / 122,331.10-183,496.65-103,668.70

Finding the Fourth Proportional to 122,331.10, 183,496.65 and 103,668.70

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Solution

The fourth proportional to 122,331.10, 183,496.65 and 103,668.70 is: 155,503.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,331.10 : 183,496.65 = 103,668.70 : x
  2. Step 2: Convert to fraction form
    122,331.10/183,496.65 = 103,668.70/x
  3. Step 3: Cross multiply
    122,331.10x = 183,496.65 × 103,668.70
  4. Step 4: Simplify right side
    122,331.10x = 19,022,859,159.86
  5. Step 5: Solve for x
    x = 19,022,859,159.86/122,331.10
  6. Step 6: Final answer
    x = 155,503.05

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1.5x scale

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.