Home / 183,310.02-253,121.76-137,909.07

Finding the Fourth Proportional to 183,310.02, 253,121.76 and 137,909.07

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Solution

The fourth proportional to 183,310.02, 253,121.76 and 137,909.07 is: 190,430.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,310.02 : 253,121.76 = 137,909.07 : x
  2. Step 2: Convert to fraction form
    183,310.02/253,121.76 = 137,909.07/x
  3. Step 3: Cross multiply
    183,310.02x = 253,121.76 × 137,909.07
  4. Step 4: Simplify right side
    183,310.02x = 34,907,786,518.36
  5. Step 5: Solve for x
    x = 34,907,786,518.36/183,310.02
  6. Step 6: Final answer
    x = 190,430.32

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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.