Home / 134,677.48-185,847.54-74,248.12

Finding the Fourth Proportional to 134,677.48, 185,847.54 and 74,248.12

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Solution

The fourth proportional to 134,677.48, 185,847.54 and 74,248.12 is: 102,458.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,677.48 : 185,847.54 = 74,248.12 : x
  2. Step 2: Convert to fraction form
    134,677.48/185,847.54 = 74,248.12/x
  3. Step 3: Cross multiply
    134,677.48x = 185,847.54 × 74,248.12
  4. Step 4: Simplify right side
    134,677.48x = 13,798,830,451.62
  5. Step 5: Solve for x
    x = 13,798,830,451.62/134,677.48
  6. Step 6: Final answer
    x = 102,458.34

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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.