Home / 127,938.87-176,552.81-70,578.24

Finding the Fourth Proportional to 127,938.87, 176,552.81 and 70,578.24

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Solution

The fourth proportional to 127,938.87, 176,552.81 and 70,578.24 is: 97,396.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,938.87 : 176,552.81 = 70,578.24 : x
  2. Step 2: Convert to fraction form
    127,938.87/176,552.81 = 70,578.24/x
  3. Step 3: Cross multiply
    127,938.87x = 176,552.81 × 70,578.24
  4. Step 4: Simplify right side
    127,938.87x = 12,460,786,155.47
  5. Step 5: Solve for x
    x = 12,460,786,155.47/127,938.87
  6. Step 6: Final answer
    x = 97,396.41

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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.