Home / 141,392.51-195,124.97-76,865.40

Finding the Fourth Proportional to 141,392.51, 195,124.97 and 76,865.40

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Solution

The fourth proportional to 141,392.51, 195,124.97 and 76,865.40 is: 106,076.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,392.51 : 195,124.97 = 76,865.40 : x
  2. Step 2: Convert to fraction form
    141,392.51/195,124.97 = 76,865.40/x
  3. Step 3: Cross multiply
    141,392.51x = 195,124.97 × 76,865.40
  4. Step 4: Simplify right side
    141,392.51x = 14,998,358,484.71
  5. Step 5: Solve for x
    x = 14,998,358,484.71/141,392.51
  6. Step 6: Final answer
    x = 106,076.05

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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.