Home / 141,208.47-194,869.05-77,547.63

Finding the Fourth Proportional to 141,208.47, 194,869.05 and 77,547.63

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Solution

The fourth proportional to 141,208.47, 194,869.05 and 77,547.63 is: 107,016.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,208.47 : 194,869.05 = 77,547.63 : x
  2. Step 2: Convert to fraction form
    141,208.47/194,869.05 = 77,547.63/x
  3. Step 3: Cross multiply
    141,208.47x = 194,869.05 × 77,547.63
  4. Step 4: Simplify right side
    141,208.47x = 15,111,632,987.85
  5. Step 5: Solve for x
    x = 15,111,632,987.85/141,208.47
  6. Step 6: Final answer
    x = 107,016.48

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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.