Home / 152,704.08-210,688.52-98,991.36

Finding the Fourth Proportional to 152,704.08, 210,688.52 and 98,991.36

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Solution

The fourth proportional to 152,704.08, 210,688.52 and 98,991.36 is: 136,580.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,704.08 : 210,688.52 = 98,991.36 : x
  2. Step 2: Convert to fraction form
    152,704.08/210,688.52 = 98,991.36/x
  3. Step 3: Cross multiply
    152,704.08x = 210,688.52 × 98,991.36
  4. Step 4: Simplify right side
    152,704.08x = 20,856,343,131.19
  5. Step 5: Solve for x
    x = 20,856,343,131.19/152,704.08
  6. Step 6: Final answer
    x = 136,580.13

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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.