Home / 127,417.44-191,178.81-64,203.78

Finding the Fourth Proportional to 127,417.44, 191,178.81 and 64,203.78

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Solution

The fourth proportional to 127,417.44, 191,178.81 and 64,203.78 is: 96,332.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,417.44 : 191,178.81 = 64,203.78 : x
  2. Step 2: Convert to fraction form
    127,417.44/191,178.81 = 64,203.78/x
  3. Step 3: Cross multiply
    127,417.44x = 191,178.81 × 64,203.78
  4. Step 4: Simplify right side
    127,417.44x = 12,274,402,257.90
  5. Step 5: Solve for x
    x = 12,274,402,257.90/127,417.44
  6. Step 6: Final answer
    x = 96,332.20

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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.