Home / 207,962.23-286,990.67-117,317.92

Finding the Fourth Proportional to 207,962.23, 286,990.67 and 117,317.92

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Solution

The fourth proportional to 207,962.23, 286,990.67 and 117,317.92 is: 161,900.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,962.23 : 286,990.67 = 117,317.92 : x
  2. Step 2: Convert to fraction form
    207,962.23/286,990.67 = 117,317.92/x
  3. Step 3: Cross multiply
    207,962.23x = 286,990.67 × 117,317.92
  4. Step 4: Simplify right side
    207,962.23x = 33,669,148,463.81
  5. Step 5: Solve for x
    x = 33,669,148,463.81/207,962.23
  6. Step 6: Final answer
    x = 161,900.30

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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.