Home / 111,130.19-153,358.47-60,141.80

Finding the Fourth Proportional to 111,130.19, 153,358.47 and 60,141.80

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Solution

The fourth proportional to 111,130.19, 153,358.47 and 60,141.80 is: 82,995.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,130.19 : 153,358.47 = 60,141.80 : x
  2. Step 2: Convert to fraction form
    111,130.19/153,358.47 = 60,141.80/x
  3. Step 3: Cross multiply
    111,130.19x = 153,358.47 × 60,141.80
  4. Step 4: Simplify right side
    111,130.19x = 9,223,254,814.44
  5. Step 5: Solve for x
    x = 9,223,254,814.44/111,130.19
  6. Step 6: Final answer
    x = 82,995.05

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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.