Home / 207,943.37-286,962.53-112,450.74

Finding the Fourth Proportional to 207,943.37, 286,962.53 and 112,450.74

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Solution

The fourth proportional to 207,943.37, 286,962.53 and 112,450.74 is: 155,182.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,943.37 : 286,962.53 = 112,450.74 : x
  2. Step 2: Convert to fraction form
    207,943.37/286,962.53 = 112,450.74/x
  3. Step 3: Cross multiply
    207,943.37x = 286,962.53 × 112,450.74
  4. Step 4: Simplify right side
    207,943.37x = 32,269,148,288.52
  5. Step 5: Solve for x
    x = 32,269,148,288.52/207,943.37
  6. Step 6: Final answer
    x = 155,182.39

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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.