Home / 176,689.35-243,798.26-105,086.97

Finding the Fourth Proportional to 176,689.35, 243,798.26 and 105,086.97

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Solution

The fourth proportional to 176,689.35, 243,798.26 and 105,086.97 is: 145,000.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,689.35 : 243,798.26 = 105,086.97 : x
  2. Step 2: Convert to fraction form
    176,689.35/243,798.26 = 105,086.97/x
  3. Step 3: Cross multiply
    176,689.35x = 243,798.26 × 105,086.97
  4. Step 4: Simplify right side
    176,689.35x = 25,620,019,909.24
  5. Step 5: Solve for x
    x = 25,620,019,909.24/176,689.35
  6. Step 6: Final answer
    x = 145,000.36

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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.