Home / 179,878.51-248,232.65-99,306.16

Finding the Fourth Proportional to 179,878.51, 248,232.65 and 99,306.16

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Solution

The fourth proportional to 179,878.51, 248,232.65 and 99,306.16 is: 137,042.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,878.51 : 248,232.65 = 99,306.16 : x
  2. Step 2: Convert to fraction form
    179,878.51/248,232.65 = 99,306.16/x
  3. Step 3: Cross multiply
    179,878.51x = 248,232.65 × 99,306.16
  4. Step 4: Simplify right side
    179,878.51x = 24,651,032,002.88
  5. Step 5: Solve for x
    x = 24,651,032,002.88/179,878.51
  6. Step 6: Final answer
    x = 137,042.68

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1.5x scale

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.