Home / 176,265.81-243,285.21-108,318.45

Finding the Fourth Proportional to 176,265.81, 243,285.21 and 108,318.45

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Solution

The fourth proportional to 176,265.81, 243,285.21 and 108,318.45 is: 149,503.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,265.81 : 243,285.21 = 108,318.45 : x
  2. Step 2: Convert to fraction form
    176,265.81/243,285.21 = 108,318.45/x
  3. Step 3: Cross multiply
    176,265.81x = 243,285.21 × 108,318.45
  4. Step 4: Simplify right side
    176,265.81x = 26,352,276,855.12
  5. Step 5: Solve for x
    x = 26,352,276,855.12/176,265.81
  6. Step 6: Final answer
    x = 149,503.05

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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.