Home / 157,266.30-235,899.45-122,231.10

Finding the Fourth Proportional to 157,266.30, 235,899.45 and 122,231.10

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Solution

The fourth proportional to 157,266.30, 235,899.45 and 122,231.10 is: 183,346.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,266.30 : 235,899.45 = 122,231.10 : x
  2. Step 2: Convert to fraction form
    157,266.30/235,899.45 = 122,231.10/x
  3. Step 3: Cross multiply
    157,266.30x = 235,899.45 × 122,231.10
  4. Step 4: Simplify right side
    157,266.30x = 28,834,249,262.90
  5. Step 5: Solve for x
    x = 28,834,249,262.90/157,266.30
  6. Step 6: Final answer
    x = 183,346.65

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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.