Home / 157,424.06-236,169.03-87,156.02

Finding the Fourth Proportional to 157,424.06, 236,169.03 and 87,156.02

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Solution

The fourth proportional to 157,424.06, 236,169.03 and 87,156.02 is: 130,752.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,424.06 : 236,169.03 = 87,156.02 : x
  2. Step 2: Convert to fraction form
    157,424.06/236,169.03 = 87,156.02/x
  3. Step 3: Cross multiply
    157,424.06x = 236,169.03 × 87,156.02
  4. Step 4: Simplify right side
    157,424.06x = 20,583,552,702.06
  5. Step 5: Solve for x
    x = 20,583,552,702.06/157,424.06
  6. Step 6: Final answer
    x = 130,752.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.