Home / 111,190.74-153,440.39-62,132.76

Finding the Fourth Proportional to 111,190.74, 153,440.39 and 62,132.76

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Solution

The fourth proportional to 111,190.74, 153,440.39 and 62,132.76 is: 85,741.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,190.74 : 153,440.39 = 62,132.76 : x
  2. Step 2: Convert to fraction form
    111,190.74/153,440.39 = 62,132.76/x
  3. Step 3: Cross multiply
    111,190.74x = 153,440.39 × 62,132.76
  4. Step 4: Simplify right side
    111,190.74x = 9,533,674,615.51
  5. Step 5: Solve for x
    x = 9,533,674,615.51/111,190.74
  6. Step 6: Final answer
    x = 85,741.62

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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.