Home / 127,117.43-175,422.08-70,528.67

Finding the Fourth Proportional to 127,117.43, 175,422.08 and 70,528.67

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Solution

The fourth proportional to 127,117.43, 175,422.08 and 70,528.67 is: 97,329.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,117.43 : 175,422.08 = 70,528.67 : x
  2. Step 2: Convert to fraction form
    127,117.43/175,422.08 = 70,528.67/x
  3. Step 3: Cross multiply
    127,117.43x = 175,422.08 × 70,528.67
  4. Step 4: Simplify right side
    127,117.43x = 12,372,285,991.03
  5. Step 5: Solve for x
    x = 12,372,285,991.03/127,117.43
  6. Step 6: Final answer
    x = 97,329.58

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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.