Home / 146,712.16-202,558.57-112,656.47

Finding the Fourth Proportional to 146,712.16, 202,558.57 and 112,656.47

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Solution

The fourth proportional to 146,712.16, 202,558.57 and 112,656.47 is: 155,539.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,712.16 : 202,558.57 = 112,656.47 : x
  2. Step 2: Convert to fraction form
    146,712.16/202,558.57 = 112,656.47/x
  3. Step 3: Cross multiply
    146,712.16x = 202,558.57 × 112,656.47
  4. Step 4: Simplify right side
    146,712.16x = 22,819,533,943.10
  5. Step 5: Solve for x
    x = 22,819,533,943.10/146,712.16
  6. Step 6: Final answer
    x = 155,539.48

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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.