Home / 137,140.02-204,798.65-135,655.49

Finding the Fourth Proportional to 137,140.02, 204,798.65 and 135,655.49

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Solution

The fourth proportional to 137,140.02, 204,798.65 and 135,655.49 is: 202,581.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,140.02 : 204,798.65 = 135,655.49 : x
  2. Step 2: Convert to fraction form
    137,140.02/204,798.65 = 135,655.49/x
  3. Step 3: Cross multiply
    137,140.02x = 204,798.65 × 135,655.49
  4. Step 4: Simplify right side
    137,140.02x = 27,782,061,050.81
  5. Step 5: Solve for x
    x = 27,782,061,050.81/137,140.02
  6. Step 6: Final answer
    x = 202,581.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.