Home / 406,572.12-609,621.66-153,872.10

Finding the Fourth Proportional to 406,572.12, 609,621.66 and 153,872.10

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Solution

The fourth proportional to 406,572.12, 609,621.66 and 153,872.10 is: 230,718.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,572.12 : 609,621.66 = 153,872.10 : x
  2. Step 2: Convert to fraction form
    406,572.12/609,621.66 = 153,872.10/x
  3. Step 3: Cross multiply
    406,572.12x = 609,621.66 × 153,872.10
  4. Step 4: Simplify right side
    406,572.12x = 93,803,765,029.69
  5. Step 5: Solve for x
    x = 93,803,765,029.69/406,572.12
  6. Step 6: Final answer
    x = 230,718.64

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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.