Home / 176,654.28-243,820.59-108,671.37

Finding the Fourth Proportional to 176,654.28, 243,820.59 and 108,671.37

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Solution

The fourth proportional to 176,654.28, 243,820.59 and 108,671.37 is: 149,989.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,654.28 : 243,820.59 = 108,671.37 : x
  2. Step 2: Convert to fraction form
    176,654.28/243,820.59 = 108,671.37/x
  3. Step 3: Cross multiply
    176,654.28x = 243,820.59 × 108,671.37
  4. Step 4: Simplify right side
    176,654.28x = 26,496,317,549.51
  5. Step 5: Solve for x
    x = 26,496,317,549.51/176,654.28
  6. Step 6: Final answer
    x = 149,989.67

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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.