Home / 113,109.33-170,458.41-101,878.74

Finding the Fourth Proportional to 113,109.33, 170,458.41 and 101,878.74

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Solution

The fourth proportional to 113,109.33, 170,458.41 and 101,878.74 is: 153,533.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,109.33 : 170,458.41 = 101,878.74 : x
  2. Step 2: Convert to fraction form
    113,109.33/170,458.41 = 101,878.74/x
  3. Step 3: Cross multiply
    113,109.33x = 170,458.41 × 101,878.74
  4. Step 4: Simplify right side
    113,109.33x = 17,366,088,033.20
  5. Step 5: Solve for x
    x = 17,366,088,033.20/113,109.33
  6. Step 6: Final answer
    x = 153,533.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.