Home / 145,735.10-202,031.60-137,752.58

Finding the Fourth Proportional to 145,735.10, 202,031.60 and 137,752.58

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Solution

The fourth proportional to 145,735.10, 202,031.60 and 137,752.58 is: 190,965.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,735.10 : 202,031.60 = 137,752.58 : x
  2. Step 2: Convert to fraction form
    145,735.10/202,031.60 = 137,752.58/x
  3. Step 3: Cross multiply
    145,735.10x = 202,031.60 × 137,752.58
  4. Step 4: Simplify right side
    145,735.10x = 27,830,374,141.53
  5. Step 5: Solve for x
    x = 27,830,374,141.53/145,735.10
  6. Step 6: Final answer
    x = 190,965.49

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.