Home / 112,030.04-154,497.58-81,767.46

Finding the Fourth Proportional to 112,030.04, 154,497.58 and 81,767.46

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Solution

The fourth proportional to 112,030.04, 154,497.58 and 81,767.46 is: 112,763.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,030.04 : 154,497.58 = 81,767.46 : x
  2. Step 2: Convert to fraction form
    112,030.04/154,497.58 = 81,767.46/x
  3. Step 3: Cross multiply
    112,030.04x = 154,497.58 × 81,767.46
  4. Step 4: Simplify right side
    112,030.04x = 12,632,874,692.75
  5. Step 5: Solve for x
    x = 12,632,874,692.75/112,030.04
  6. Step 6: Final answer
    x = 112,763.28

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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.