Home / 127,117.94-175,422.78-70,529.18

Finding the Fourth Proportional to 127,117.94, 175,422.78 and 70,529.18

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Solution

The fourth proportional to 127,117.94, 175,422.78 and 70,529.18 is: 97,330.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,117.94 : 175,422.78 = 70,529.18 : x
  2. Step 2: Convert to fraction form
    127,117.94/175,422.78 = 70,529.18/x
  3. Step 3: Cross multiply
    127,117.94x = 175,422.78 × 70,529.18
  4. Step 4: Simplify right side
    127,117.94x = 12,372,424,826.72
  5. Step 5: Solve for x
    x = 12,372,424,826.72/127,117.94
  6. Step 6: Final answer
    x = 97,330.28

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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.