Home / 127,116.43-175,420.70-70,527.67

Finding the Fourth Proportional to 127,116.43, 175,420.70 and 70,527.67

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Solution

The fourth proportional to 127,116.43, 175,420.70 and 70,527.67 is: 97,328.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,116.43 : 175,420.70 = 70,527.67 : x
  2. Step 2: Convert to fraction form
    127,116.43/175,420.70 = 70,527.67/x
  3. Step 3: Cross multiply
    127,116.43x = 175,420.70 × 70,527.67
  4. Step 4: Simplify right side
    127,116.43x = 12,372,013,240.77
  5. Step 5: Solve for x
    x = 12,372,013,240.77/127,116.43
  6. Step 6: Final answer
    x = 97,328.20

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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.