Home / 112,442.46-155,170.23-61,455.18

Finding the Fourth Proportional to 112,442.46, 155,170.23 and 61,455.18

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Solution

The fourth proportional to 112,442.46, 155,170.23 and 61,455.18 is: 84,807.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,442.46 : 155,170.23 = 61,455.18 : x
  2. Step 2: Convert to fraction form
    112,442.46/155,170.23 = 61,455.18/x
  3. Step 3: Cross multiply
    112,442.46x = 155,170.23 × 61,455.18
  4. Step 4: Simplify right side
    112,442.46x = 9,536,014,415.29
  5. Step 5: Solve for x
    x = 9,536,014,415.29/112,442.46
  6. Step 6: Final answer
    x = 84,807.95

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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.