Home / 176,631.67-243,746.49-100,157.74

Finding the Fourth Proportional to 176,631.67, 243,746.49 and 100,157.74

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Solution

The fourth proportional to 176,631.67, 243,746.49 and 100,157.74 is: 138,214.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,631.67 : 243,746.49 = 100,157.74 : x
  2. Step 2: Convert to fraction form
    176,631.67/243,746.49 = 100,157.74/x
  3. Step 3: Cross multiply
    176,631.67x = 243,746.49 × 100,157.74
  4. Step 4: Simplify right side
    176,631.67x = 24,413,097,571.33
  5. Step 5: Solve for x
    x = 24,413,097,571.33/176,631.67
  6. Step 6: Final answer
    x = 138,214.72

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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.