Home / 165,950.34-229,047.72-105,509.17

Finding the Fourth Proportional to 165,950.34, 229,047.72 and 105,509.17

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Solution

The fourth proportional to 165,950.34, 229,047.72 and 105,509.17 is: 145,625.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,950.34 : 229,047.72 = 105,509.17 : x
  2. Step 2: Convert to fraction form
    165,950.34/229,047.72 = 105,509.17/x
  3. Step 3: Cross multiply
    165,950.34x = 229,047.72 × 105,509.17
  4. Step 4: Simplify right side
    165,950.34x = 24,166,634,827.59
  5. Step 5: Solve for x
    x = 24,166,634,827.59/165,950.34
  6. Step 6: Final answer
    x = 145,625.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.