Home / 127,551.18-191,208.71-56,436.13

Finding the Fourth Proportional to 127,551.18, 191,208.71 and 56,436.13

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Solution

The fourth proportional to 127,551.18, 191,208.71 and 56,436.13 is: 84,601.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,551.18 : 191,208.71 = 56,436.13 : x
  2. Step 2: Convert to fraction form
    127,551.18/191,208.71 = 56,436.13/x
  3. Step 3: Cross multiply
    127,551.18x = 191,208.71 × 56,436.13
  4. Step 4: Simplify right side
    127,551.18x = 10,791,079,277.76
  5. Step 5: Solve for x
    x = 10,791,079,277.76/127,551.18
  6. Step 6: Final answer
    x = 84,601.96

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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.