Home / 128,026.50-176,759.78-114,574.62

Finding the Fourth Proportional to 128,026.50, 176,759.78 and 114,574.62

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Solution

The fourth proportional to 128,026.50, 176,759.78 and 114,574.62 is: 158,187.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,026.50 : 176,759.78 = 114,574.62 : x
  2. Step 2: Convert to fraction form
    128,026.50/176,759.78 = 114,574.62/x
  3. Step 3: Cross multiply
    128,026.50x = 176,759.78 × 114,574.62
  4. Step 4: Simplify right side
    128,026.50x = 20,252,184,624.78
  5. Step 5: Solve for x
    x = 20,252,184,624.78/128,026.50
  6. Step 6: Final answer
    x = 158,187.44

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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.