Home / 152,368.20-210,198.30-98,670.48

Finding the Fourth Proportional to 152,368.20, 210,198.30 and 98,670.48

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Solution

The fourth proportional to 152,368.20, 210,198.30 and 98,670.48 is: 136,120.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,368.20 : 210,198.30 = 98,670.48 : x
  2. Step 2: Convert to fraction form
    152,368.20/210,198.30 = 98,670.48/x
  3. Step 3: Cross multiply
    152,368.20x = 210,198.30 × 98,670.48
  4. Step 4: Simplify right side
    152,368.20x = 20,740,367,156.18
  5. Step 5: Solve for x
    x = 20,740,367,156.18/152,368.20
  6. Step 6: Final answer
    x = 136,120.05

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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.