Home / 129,626.16-178,884.04-70,010.16

Finding the Fourth Proportional to 129,626.16, 178,884.04 and 70,010.16

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Solution

The fourth proportional to 129,626.16, 178,884.04 and 70,010.16 is: 96,613.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,626.16 : 178,884.04 = 70,010.16 : x
  2. Step 2: Convert to fraction form
    129,626.16/178,884.04 = 70,010.16/x
  3. Step 3: Cross multiply
    129,626.16x = 178,884.04 × 70,010.16
  4. Step 4: Simplify right side
    129,626.16x = 12,523,700,261.85
  5. Step 5: Solve for x
    x = 12,523,700,261.85/129,626.16
  6. Step 6: Final answer
    x = 96,613.99

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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.