Home / 141,693.10-211,503.05-124,878.51

Finding the Fourth Proportional to 141,693.10, 211,503.05 and 124,878.51

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Solution

The fourth proportional to 141,693.10, 211,503.05 and 124,878.51 is: 186,404.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,693.10 : 211,503.05 = 124,878.51 : x
  2. Step 2: Convert to fraction form
    141,693.10/211,503.05 = 124,878.51/x
  3. Step 3: Cross multiply
    141,693.10x = 211,503.05 × 124,878.51
  4. Step 4: Simplify right side
    141,693.10x = 26,412,185,588.36
  5. Step 5: Solve for x
    x = 26,412,185,588.36/141,693.10
  6. Step 6: Final answer
    x = 186,404.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.