Home / 127,683.98-176,202.24-70,322.21

Finding the Fourth Proportional to 127,683.98, 176,202.24 and 70,322.21

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Solution

The fourth proportional to 127,683.98, 176,202.24 and 70,322.21 is: 97,043.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,683.98 : 176,202.24 = 70,322.21 : x
  2. Step 2: Convert to fraction form
    127,683.98/176,202.24 = 70,322.21/x
  3. Step 3: Cross multiply
    127,683.98x = 176,202.24 × 70,322.21
  4. Step 4: Simplify right side
    127,683.98x = 12,390,930,439.79
  5. Step 5: Solve for x
    x = 12,390,930,439.79/127,683.98
  6. Step 6: Final answer
    x = 97,043.74

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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.