Home / 152,368.20-210,164.05-104,538.51

Finding the Fourth Proportional to 152,368.20, 210,164.05 and 104,538.51

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Solution

The fourth proportional to 152,368.20, 210,164.05 and 104,538.51 is: 144,191.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,368.20 : 210,164.05 = 104,538.51 : x
  2. Step 2: Convert to fraction form
    152,368.20/210,164.05 = 104,538.51/x
  3. Step 3: Cross multiply
    152,368.20x = 210,164.05 × 104,538.51
  4. Step 4: Simplify right side
    152,368.20x = 21,970,236,773.24
  5. Step 5: Solve for x
    x = 21,970,236,773.24/152,368.20
  6. Step 6: Final answer
    x = 144,191.75

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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.