Home / 127,340.24-175,733.96-70,754

Finding the Fourth Proportional to 127,340.24, 175,733.96 and 70,754

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Solution

The fourth proportional to 127,340.24, 175,733.96 and 70,754 is: 97,642.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,340.24 : 175,733.96 = 70,754 : x
  2. Step 2: Convert to fraction form
    127,340.24/175,733.96 = 70,754/x
  3. Step 3: Cross multiply
    127,340.24x = 175,733.96 × 70,754
  4. Step 4: Simplify right side
    127,340.24x = 12,433,880,605.84
  5. Step 5: Solve for x
    x = 12,433,880,605.84/127,340.24
  6. Step 6: Final answer
    x = 97,642.98

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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.