Home / 260,653.02-391,010.31-83,097.78

Finding the Fourth Proportional to 260,653.02, 391,010.31 and 83,097.78

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Solution

The fourth proportional to 260,653.02, 391,010.31 and 83,097.78 is: 124,656.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,653.02 : 391,010.31 = 83,097.78 : x
  2. Step 2: Convert to fraction form
    260,653.02/391,010.31 = 83,097.78/x
  3. Step 3: Cross multiply
    260,653.02x = 391,010.31 × 83,097.78
  4. Step 4: Simplify right side
    260,653.02x = 32,492,088,718.11
  5. Step 5: Solve for x
    x = 32,492,088,718.11/260,653.02
  6. Step 6: Final answer
    x = 124,656.48

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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.