Home / 666,613.13-999,919.69-167,977.13

Finding the Fourth Proportional to 666,613.13, 999,919.69 and 167,977.13

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Solution

The fourth proportional to 666,613.13, 999,919.69 and 167,977.13 is: 251,965.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,613.13 : 999,919.69 = 167,977.13 : x
  2. Step 2: Convert to fraction form
    666,613.13/999,919.69 = 167,977.13/x
  3. Step 3: Cross multiply
    666,613.13x = 999,919.69 × 167,977.13
  4. Step 4: Simplify right side
    666,613.13x = 167,963,634,337.15
  5. Step 5: Solve for x
    x = 167,963,634,337.15/666,613.13
  6. Step 6: Final answer
    x = 251,965.69

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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.