Home / 112,300.24-154,937.13-74,078.77

Finding the Fourth Proportional to 112,300.24, 154,937.13 and 74,078.77

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Solution

The fourth proportional to 112,300.24, 154,937.13 and 74,078.77 is: 102,204.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,300.24 : 154,937.13 = 74,078.77 : x
  2. Step 2: Convert to fraction form
    112,300.24/154,937.13 = 74,078.77/x
  3. Step 3: Cross multiply
    112,300.24x = 154,937.13 × 74,078.77
  4. Step 4: Simplify right side
    112,300.24x = 11,477,552,017.73
  5. Step 5: Solve for x
    x = 11,477,552,017.73/112,300.24
  6. Step 6: Final answer
    x = 102,204.16

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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.