Home / 207,026.04-310,538.88-66,784.65

Finding the Fourth Proportional to 207,026.04, 310,538.88 and 66,784.65

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Solution

The fourth proportional to 207,026.04, 310,538.88 and 66,784.65 is: 100,176.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,026.04 : 310,538.88 = 66,784.65 : x
  2. Step 2: Convert to fraction form
    207,026.04/310,538.88 = 66,784.65/x
  3. Step 3: Cross multiply
    207,026.04x = 310,538.88 × 66,784.65
  4. Step 4: Simplify right side
    207,026.04x = 20,739,230,412.19
  5. Step 5: Solve for x
    x = 20,739,230,412.19/207,026.04
  6. Step 6: Final answer
    x = 100,176.92

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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.