Home / 157,153.20-216,323.70-136,975.02

Finding the Fourth Proportional to 157,153.20, 216,323.70 and 136,975.02

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Solution

The fourth proportional to 157,153.20, 216,323.70 and 136,975.02 is: 188,548.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,153.20 : 216,323.70 = 136,975.02 : x
  2. Step 2: Convert to fraction form
    157,153.20/216,323.70 = 136,975.02/x
  3. Step 3: Cross multiply
    157,153.20x = 216,323.70 × 136,975.02
  4. Step 4: Simplify right side
    157,153.20x = 29,630,943,133.97
  5. Step 5: Solve for x
    x = 29,630,943,133.97/157,153.20
  6. Step 6: Final answer
    x = 188,548.14

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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.