Home / 134,104.07-185,066.88-73,678.63

Finding the Fourth Proportional to 134,104.07, 185,066.88 and 73,678.63

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Solution

The fourth proportional to 134,104.07, 185,066.88 and 73,678.63 is: 101,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,104.07 : 185,066.88 = 73,678.63 : x
  2. Step 2: Convert to fraction form
    134,104.07/185,066.88 = 73,678.63/x
  3. Step 3: Cross multiply
    134,104.07x = 185,066.88 × 73,678.63
  4. Step 4: Simplify right side
    134,104.07x = 13,635,474,176.77
  5. Step 5: Solve for x
    x = 13,635,474,176.77/134,104.07
  6. Step 6: Final answer
    x = 101,678.30

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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.