Home / 170,971.50-235,934.28-98,385.60

Finding the Fourth Proportional to 170,971.50, 235,934.28 and 98,385.60

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Solution

The fourth proportional to 170,971.50, 235,934.28 and 98,385.60 is: 135,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,971.50 : 235,934.28 = 98,385.60 : x
  2. Step 2: Convert to fraction form
    170,971.50/235,934.28 = 98,385.60/x
  3. Step 3: Cross multiply
    170,971.50x = 235,934.28 × 98,385.60
  4. Step 4: Simplify right side
    170,971.50x = 23,212,535,698.37
  5. Step 5: Solve for x
    x = 23,212,535,698.37/170,971.50
  6. Step 6: Final answer
    x = 135,768.45

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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.