Home / 145,908.96-218,897.28-46,079.04

Finding the Fourth Proportional to 145,908.96, 218,897.28 and 46,079.04

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Solution

The fourth proportional to 145,908.96, 218,897.28 and 46,079.04 is: 69,129.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,908.96 : 218,897.28 = 46,079.04 : x
  2. Step 2: Convert to fraction form
    145,908.96/218,897.28 = 46,079.04/x
  3. Step 3: Cross multiply
    145,908.96x = 218,897.28 × 46,079.04
  4. Step 4: Simplify right side
    145,908.96x = 10,086,576,521.01
  5. Step 5: Solve for x
    x = 10,086,576,521.01/145,908.96
  6. Step 6: Final answer
    x = 69,129.25

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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.