Home / 183,636.32-253,418.12-103,089.80

Finding the Fourth Proportional to 183,636.32, 253,418.12 and 103,089.80

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Solution

The fourth proportional to 183,636.32, 253,418.12 and 103,089.80 is: 142,263.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,636.32 : 253,418.12 = 103,089.80 : x
  2. Step 2: Convert to fraction form
    183,636.32/253,418.12 = 103,089.80/x
  3. Step 3: Cross multiply
    183,636.32x = 253,418.12 × 103,089.80
  4. Step 4: Simplify right side
    183,636.32x = 26,124,823,307.18
  5. Step 5: Solve for x
    x = 26,124,823,307.18/183,636.32
  6. Step 6: Final answer
    x = 142,263.92

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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.