Home / 112,018.18-154,584.60-61,030.76

Finding the Fourth Proportional to 112,018.18, 154,584.60 and 61,030.76

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Solution

The fourth proportional to 112,018.18, 154,584.60 and 61,030.76 is: 84,222.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,018.18 : 154,584.60 = 61,030.76 : x
  2. Step 2: Convert to fraction form
    112,018.18/154,584.60 = 61,030.76/x
  3. Step 3: Cross multiply
    112,018.18x = 154,584.60 × 61,030.76
  4. Step 4: Simplify right side
    112,018.18x = 9,434,415,622.30
  5. Step 5: Solve for x
    x = 9,434,415,622.30/112,018.18
  6. Step 6: Final answer
    x = 84,222.18

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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.