Home / 127,084.92-175,372.72-70,501.56

Finding the Fourth Proportional to 127,084.92, 175,372.72 and 70,501.56

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Solution

The fourth proportional to 127,084.92, 175,372.72 and 70,501.56 is: 97,289.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,084.92 : 175,372.72 = 70,501.56 : x
  2. Step 2: Convert to fraction form
    127,084.92/175,372.72 = 70,501.56/x
  3. Step 3: Cross multiply
    127,084.92x = 175,372.72 × 70,501.56
  4. Step 4: Simplify right side
    127,084.92x = 12,364,050,341.44
  5. Step 5: Solve for x
    x = 12,364,050,341.44/127,084.92
  6. Step 6: Final answer
    x = 97,289.67

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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.