Home / 470,923.53-706,385.08-138,499.53

Finding the Fourth Proportional to 470,923.53, 706,385.08 and 138,499.53

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Solution

The fourth proportional to 470,923.53, 706,385.08 and 138,499.53 is: 207,749.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,923.53 : 706,385.08 = 138,499.53 : x
  2. Step 2: Convert to fraction form
    470,923.53/706,385.08 = 138,499.53/x
  3. Step 3: Cross multiply
    470,923.53x = 706,385.08 × 138,499.53
  4. Step 4: Simplify right side
    470,923.53x = 97,834,001,579.01
  5. Step 5: Solve for x
    x = 97,834,001,579.01/470,923.53
  6. Step 6: Final answer
    x = 207,749.23

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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.