Home / 111,140.51-153,372.69-60,153.03

Finding the Fourth Proportional to 111,140.51, 153,372.69 and 60,153.03

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Solution

The fourth proportional to 111,140.51, 153,372.69 and 60,153.03 is: 83,010.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,140.51 : 153,372.69 = 60,153.03 : x
  2. Step 2: Convert to fraction form
    111,140.51/153,372.69 = 60,153.03/x
  3. Step 3: Cross multiply
    111,140.51x = 153,372.69 × 60,153.03
  4. Step 4: Simplify right side
    111,140.51x = 9,225,832,022.75
  5. Step 5: Solve for x
    x = 9,225,832,022.75/111,140.51
  6. Step 6: Final answer
    x = 83,010.53

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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.