Home / 152,916.58-211,017.72-84,937.87

Finding the Fourth Proportional to 152,916.58, 211,017.72 and 84,937.87

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Solution

The fourth proportional to 152,916.58, 211,017.72 and 84,937.87 is: 117,210.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,916.58 : 211,017.72 = 84,937.87 : x
  2. Step 2: Convert to fraction form
    152,916.58/211,017.72 = 84,937.87/x
  3. Step 3: Cross multiply
    152,916.58x = 211,017.72 × 84,937.87
  4. Step 4: Simplify right side
    152,916.58x = 17,923,395,669.06
  5. Step 5: Solve for x
    x = 17,923,395,669.06/152,916.58
  6. Step 6: Final answer
    x = 117,210.28

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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.