Home / 153,457.36-211,601.88-105,067.24

Finding the Fourth Proportional to 153,457.36, 211,601.88 and 105,067.24

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Solution

The fourth proportional to 153,457.36, 211,601.88 and 105,067.24 is: 144,876.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,457.36 : 211,601.88 = 105,067.24 : x
  2. Step 2: Convert to fraction form
    153,457.36/211,601.88 = 105,067.24/x
  3. Step 3: Cross multiply
    153,457.36x = 211,601.88 × 105,067.24
  4. Step 4: Simplify right side
    153,457.36x = 22,232,425,510.41
  5. Step 5: Solve for x
    x = 22,232,425,510.41/153,457.36
  6. Step 6: Final answer
    x = 144,876.89

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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.