Home / 152,731.58-210,769.70-84,748.28

Finding the Fourth Proportional to 152,731.58, 210,769.70 and 84,748.28

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Solution

The fourth proportional to 152,731.58, 210,769.70 and 84,748.28 is: 116,952.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,731.58 : 210,769.70 = 84,748.28 : x
  2. Step 2: Convert to fraction form
    152,731.58/210,769.70 = 84,748.28/x
  3. Step 3: Cross multiply
    152,731.58x = 210,769.70 × 84,748.28
  4. Step 4: Simplify right side
    152,731.58x = 17,862,368,073.53
  5. Step 5: Solve for x
    x = 17,862,368,073.53/152,731.58
  6. Step 6: Final answer
    x = 116,952.69

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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.