Home / 153,585.12-211,973.04-89,092.56

Finding the Fourth Proportional to 153,585.12, 211,973.04 and 89,092.56

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Solution

The fourth proportional to 153,585.12, 211,973.04 and 89,092.56 is: 122,962.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,585.12 : 211,973.04 = 89,092.56 : x
  2. Step 2: Convert to fraction form
    153,585.12/211,973.04 = 89,092.56/x
  3. Step 3: Cross multiply
    153,585.12x = 211,973.04 × 89,092.56
  4. Step 4: Simplify right side
    153,585.12x = 18,885,220,784.58
  5. Step 5: Solve for x
    x = 18,885,220,784.58/153,585.12
  6. Step 6: Final answer
    x = 122,962.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.