Home / 486,032.17-729,048.26-153,582.25

Finding the Fourth Proportional to 486,032.17, 729,048.26 and 153,582.25

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Solution

The fourth proportional to 486,032.17, 729,048.26 and 153,582.25 is: 230,373.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,032.17 : 729,048.26 = 153,582.25 : x
  2. Step 2: Convert to fraction form
    486,032.17/729,048.26 = 153,582.25/x
  3. Step 3: Cross multiply
    486,032.17x = 729,048.26 × 153,582.25
  4. Step 4: Simplify right side
    486,032.17x = 111,968,872,129.39
  5. Step 5: Solve for x
    x = 111,968,872,129.39/486,032.17
  6. Step 6: Final answer
    x = 230,373.38

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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.