Home / 154,536.30-231,631.65-65,774.70

Finding the Fourth Proportional to 154,536.30, 231,631.65 and 65,774.70

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Solution

The fourth proportional to 154,536.30, 231,631.65 and 65,774.70 is: 98,588.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,536.30 : 231,631.65 = 65,774.70 : x
  2. Step 2: Convert to fraction form
    154,536.30/231,631.65 = 65,774.70/x
  3. Step 3: Cross multiply
    154,536.30x = 231,631.65 × 65,774.70
  4. Step 4: Simplify right side
    154,536.30x = 15,235,502,289.26
  5. Step 5: Solve for x
    x = 15,235,502,289.26/154,536.30
  6. Step 6: Final answer
    x = 98,588.50

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1.5x scale

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.