Home / 118,109.62-176,967.18-82,986.40

Finding the Fourth Proportional to 118,109.62, 176,967.18 and 82,986.40

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Solution

The fourth proportional to 118,109.62, 176,967.18 and 82,986.40 is: 124,341.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,109.62 : 176,967.18 = 82,986.40 : x
  2. Step 2: Convert to fraction form
    118,109.62/176,967.18 = 82,986.40/x
  3. Step 3: Cross multiply
    118,109.62x = 176,967.18 × 82,986.40
  4. Step 4: Simplify right side
    118,109.62x = 14,685,869,186.35
  5. Step 5: Solve for x
    x = 14,685,869,186.35/118,109.62
  6. Step 6: Final answer
    x = 124,341.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.