Home / 135,798.03-187,397.69-75,365.55

Finding the Fourth Proportional to 135,798.03, 187,397.69 and 75,365.55

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Solution

The fourth proportional to 135,798.03, 187,397.69 and 75,365.55 is: 104,002.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,798.03 : 187,397.69 = 75,365.55 : x
  2. Step 2: Convert to fraction form
    135,798.03/187,397.69 = 75,365.55/x
  3. Step 3: Cross multiply
    135,798.03x = 187,397.69 × 75,365.55
  4. Step 4: Simplify right side
    135,798.03x = 14,123,329,598.75
  5. Step 5: Solve for x
    x = 14,123,329,598.75/135,798.03
  6. Step 6: Final answer
    x = 104,002.46

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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.