Home / 153,186.45-229,639.59-64,446.21

Finding the Fourth Proportional to 153,186.45, 229,639.59 and 64,446.21

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Solution

The fourth proportional to 153,186.45, 229,639.59 and 64,446.21 is: 96,610.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,186.45 : 229,639.59 = 64,446.21 : x
  2. Step 2: Convert to fraction form
    153,186.45/229,639.59 = 64,446.21/x
  3. Step 3: Cross multiply
    153,186.45x = 229,639.59 × 64,446.21
  4. Step 4: Simplify right side
    153,186.45x = 14,799,401,241.45
  5. Step 5: Solve for x
    x = 14,799,401,241.45/153,186.45
  6. Step 6: Final answer
    x = 96,610.38

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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.