Home / 117,237.40-175,856.10-112,118.20

Finding the Fourth Proportional to 117,237.40, 175,856.10 and 112,118.20

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Solution

The fourth proportional to 117,237.40, 175,856.10 and 112,118.20 is: 168,177.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,237.40 : 175,856.10 = 112,118.20 : x
  2. Step 2: Convert to fraction form
    117,237.40/175,856.10 = 112,118.20/x
  3. Step 3: Cross multiply
    117,237.40x = 175,856.10 × 112,118.20
  4. Step 4: Simplify right side
    117,237.40x = 19,716,669,391.02
  5. Step 5: Solve for x
    x = 19,716,669,391.02/117,237.40
  6. Step 6: Final answer
    x = 168,177.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.