Home / 157,507.49-236,212.02-68,737.16

Finding the Fourth Proportional to 157,507.49, 236,212.02 and 68,737.16

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Solution

The fourth proportional to 157,507.49, 236,212.02 and 68,737.16 is: 103,084.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,507.49 : 236,212.02 = 68,737.16 : x
  2. Step 2: Convert to fraction form
    157,507.49/236,212.02 = 68,737.16/x
  3. Step 3: Cross multiply
    157,507.49x = 236,212.02 × 68,737.16
  4. Step 4: Simplify right side
    157,507.49x = 16,236,544,003.19
  5. Step 5: Solve for x
    x = 16,236,544,003.19/157,507.49
  6. Step 6: Final answer
    x = 103,084.26

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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.