Home / 411,523.13-617,461.74-158,981.39

Finding the Fourth Proportional to 411,523.13, 617,461.74 and 158,981.39

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Solution

The fourth proportional to 411,523.13, 617,461.74 and 158,981.39 is: 238,540.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,523.13 : 617,461.74 = 158,981.39 : x
  2. Step 2: Convert to fraction form
    411,523.13/617,461.74 = 158,981.39/x
  3. Step 3: Cross multiply
    411,523.13x = 617,461.74 × 158,981.39
  4. Step 4: Simplify right side
    411,523.13x = 98,164,925,697.02
  5. Step 5: Solve for x
    x = 98,164,925,697.02/411,523.13
  6. Step 6: Final answer
    x = 238,540.48

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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.