Home / 141,278.36-195,015.29-93,547.08

Finding the Fourth Proportional to 141,278.36, 195,015.29 and 93,547.08

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Solution

The fourth proportional to 141,278.36, 195,015.29 and 93,547.08 is: 129,128.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,278.36 : 195,015.29 = 93,547.08 : x
  2. Step 2: Convert to fraction form
    141,278.36/195,015.29 = 93,547.08/x
  3. Step 3: Cross multiply
    141,278.36x = 195,015.29 × 93,547.08
  4. Step 4: Simplify right side
    141,278.36x = 18,243,110,467.12
  5. Step 5: Solve for x
    x = 18,243,110,467.12/141,278.36
  6. Step 6: Final answer
    x = 129,128.84

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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.