Home / 117,210.80-161,751.33-63,495.69

Finding the Fourth Proportional to 117,210.80, 161,751.33 and 63,495.69

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Solution

The fourth proportional to 117,210.80, 161,751.33 and 63,495.69 is: 87,624.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,210.80 : 161,751.33 = 63,495.69 : x
  2. Step 2: Convert to fraction form
    117,210.80/161,751.33 = 63,495.69/x
  3. Step 3: Cross multiply
    117,210.80x = 161,751.33 × 63,495.69
  4. Step 4: Simplify right side
    117,210.80x = 10,270,512,306.77
  5. Step 5: Solve for x
    x = 10,270,512,306.77/117,210.80
  6. Step 6: Final answer
    x = 87,624.28

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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.