Home / 118,528.70-163,556.18-70,132.10

Finding the Fourth Proportional to 118,528.70, 163,556.18 and 70,132.10

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Solution

The fourth proportional to 118,528.70, 163,556.18 and 70,132.10 is: 96,774.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,528.70 : 163,556.18 = 70,132.10 : x
  2. Step 2: Convert to fraction form
    118,528.70/163,556.18 = 70,132.10/x
  3. Step 3: Cross multiply
    118,528.70x = 163,556.18 × 70,132.10
  4. Step 4: Simplify right side
    118,528.70x = 11,470,538,371.38
  5. Step 5: Solve for x
    x = 11,470,538,371.38/118,528.70
  6. Step 6: Final answer
    x = 96,774.35

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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.