Home / 112,276.16-154,938.60-61,289.84

Finding the Fourth Proportional to 112,276.16, 154,938.60 and 61,289.84

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Solution

The fourth proportional to 112,276.16, 154,938.60 and 61,289.84 is: 84,578.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,276.16 : 154,938.60 = 61,289.84 : x
  2. Step 2: Convert to fraction form
    112,276.16/154,938.60 = 61,289.84/x
  3. Step 3: Cross multiply
    112,276.16x = 154,938.60 × 61,289.84
  4. Step 4: Simplify right side
    112,276.16x = 9,496,162,003.82
  5. Step 5: Solve for x
    x = 9,496,162,003.82/112,276.16
  6. Step 6: Final answer
    x = 84,578.61

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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.