Home / 114,630.04-158,186.88-63,639.76

Finding the Fourth Proportional to 114,630.04, 158,186.88 and 63,639.76

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Solution

The fourth proportional to 114,630.04, 158,186.88 and 63,639.76 is: 87,821.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,630.04 : 158,186.88 = 63,639.76 : x
  2. Step 2: Convert to fraction form
    114,630.04/158,186.88 = 63,639.76/x
  3. Step 3: Cross multiply
    114,630.04x = 158,186.88 × 63,639.76
  4. Step 4: Simplify right side
    114,630.04x = 10,066,975,078.35
  5. Step 5: Solve for x
    x = 10,066,975,078.35/114,630.04
  6. Step 6: Final answer
    x = 87,821.44

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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.