Home / 312,926.22-469,547.28-123,522.30

Finding the Fourth Proportional to 312,926.22, 469,547.28 and 123,522.30

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Solution

The fourth proportional to 312,926.22, 469,547.28 and 123,522.30 is: 185,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,926.22 : 469,547.28 = 123,522.30 : x
  2. Step 2: Convert to fraction form
    312,926.22/469,547.28 = 123,522.30/x
  3. Step 3: Cross multiply
    312,926.22x = 469,547.28 × 123,522.30
  4. Step 4: Simplify right side
    312,926.22x = 57,999,559,984.34
  5. Step 5: Solve for x
    x = 57,999,559,984.34/312,926.22
  6. Step 6: Final answer
    x = 185,345.80

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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.