Home / 145,655.12-201,066.20-97,936.13

Finding the Fourth Proportional to 145,655.12, 201,066.20 and 97,936.13

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Solution

The fourth proportional to 145,655.12, 201,066.20 and 97,936.13 is: 135,193.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,655.12 : 201,066.20 = 97,936.13 : x
  2. Step 2: Convert to fraction form
    145,655.12/201,066.20 = 97,936.13/x
  3. Step 3: Cross multiply
    145,655.12x = 201,066.20 × 97,936.13
  4. Step 4: Simplify right side
    145,655.12x = 19,691,644,006.79
  5. Step 5: Solve for x
    x = 19,691,644,006.79/145,655.12
  6. Step 6: Final answer
    x = 135,193.63

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1.5x scale

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.