Home / 152,703.09-210,752.05-88,159.42

Finding the Fourth Proportional to 152,703.09, 210,752.05 and 88,159.42

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Solution

The fourth proportional to 152,703.09, 210,752.05 and 88,159.42 is: 121,672.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,703.09 : 210,752.05 = 88,159.42 : x
  2. Step 2: Convert to fraction form
    152,703.09/210,752.05 = 88,159.42/x
  3. Step 3: Cross multiply
    152,703.09x = 210,752.05 × 88,159.42
  4. Step 4: Simplify right side
    152,703.09x = 18,579,778,891.44
  5. Step 5: Solve for x
    x = 18,579,778,891.44/152,703.09
  6. Step 6: Final answer
    x = 121,672.58

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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.