Home / 152,619.12-210,614.34-84,646.44

Finding the Fourth Proportional to 152,619.12, 210,614.34 and 84,646.44

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Solution

The fourth proportional to 152,619.12, 210,614.34 and 84,646.44 is: 116,812.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,619.12 : 210,614.34 = 84,646.44 : x
  2. Step 2: Convert to fraction form
    152,619.12/210,614.34 = 84,646.44/x
  3. Step 3: Cross multiply
    152,619.12x = 210,614.34 × 84,646.44
  4. Step 4: Simplify right side
    152,619.12x = 17,827,754,093.95
  5. Step 5: Solve for x
    x = 17,827,754,093.95/152,619.12
  6. Step 6: Final answer
    x = 116,812.06

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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.