Home / 406,146.15-609,051.56-153,383.63

Finding the Fourth Proportional to 406,146.15, 609,051.56 and 153,383.63

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Solution

The fourth proportional to 406,146.15, 609,051.56 and 153,383.63 is: 230,012.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,146.15 : 609,051.56 = 153,383.63 : x
  2. Step 2: Convert to fraction form
    406,146.15/609,051.56 = 153,383.63/x
  3. Step 3: Cross multiply
    406,146.15x = 609,051.56 × 153,383.63
  4. Step 4: Simplify right side
    406,146.15x = 93,418,535,317.79
  5. Step 5: Solve for x
    x = 93,418,535,317.79/406,146.15
  6. Step 6: Final answer
    x = 230,012.12

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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.