Home / 152,617.11-210,611.59-84,644.45

Finding the Fourth Proportional to 152,617.11, 210,611.59 and 84,644.45

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Solution

The fourth proportional to 152,617.11, 210,611.59 and 84,644.45 is: 116,809.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,617.11 : 210,611.59 = 84,644.45 : x
  2. Step 2: Convert to fraction form
    152,617.11/210,611.59 = 84,644.45/x
  3. Step 3: Cross multiply
    152,617.11x = 210,611.59 × 84,644.45
  4. Step 4: Simplify right side
    152,617.11x = 17,827,102,199.18
  5. Step 5: Solve for x
    x = 17,827,102,199.18/152,617.11
  6. Step 6: Final answer
    x = 116,809.33

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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.