Home / 145,962.81-218,648.97-112,567.32

Finding the Fourth Proportional to 145,962.81, 218,648.97 and 112,567.32

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Solution

The fourth proportional to 145,962.81, 218,648.97 and 112,567.32 is: 168,623.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,962.81 : 218,648.97 = 112,567.32 : x
  2. Step 2: Convert to fraction form
    145,962.81/218,648.97 = 112,567.32/x
  3. Step 3: Cross multiply
    145,962.81x = 218,648.97 × 112,567.32
  4. Step 4: Simplify right side
    145,962.81x = 24,612,728,573.66
  5. Step 5: Solve for x
    x = 24,612,728,573.66/145,962.81
  6. Step 6: Final answer
    x = 168,623.29

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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.