Home / 127,654.03-191,392.21-56,538.06

Finding the Fourth Proportional to 127,654.03, 191,392.21 and 56,538.06

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Solution

The fourth proportional to 127,654.03, 191,392.21 and 56,538.06 is: 84,767.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,654.03 : 191,392.21 = 56,538.06 : x
  2. Step 2: Convert to fraction form
    127,654.03/191,392.21 = 56,538.06/x
  3. Step 3: Cross multiply
    127,654.03x = 191,392.21 × 56,538.06
  4. Step 4: Simplify right side
    127,654.03x = 10,820,944,252.51
  5. Step 5: Solve for x
    x = 10,820,944,252.51/127,654.03
  6. Step 6: Final answer
    x = 84,767.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.