Home / 141,528.23-195,308.95-77,864.66

Finding the Fourth Proportional to 141,528.23, 195,308.95 and 77,864.66

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Solution

The fourth proportional to 141,528.23, 195,308.95 and 77,864.66 is: 107,453.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,528.23 : 195,308.95 = 77,864.66 : x
  2. Step 2: Convert to fraction form
    141,528.23/195,308.95 = 77,864.66/x
  3. Step 3: Cross multiply
    141,528.23x = 195,308.95 × 77,864.66
  4. Step 4: Simplify right side
    141,528.23x = 15,207,664,986.71
  5. Step 5: Solve for x
    x = 15,207,664,986.71/141,528.23
  6. Step 6: Final answer
    x = 107,453.23

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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.