Home / 141,646.08-195,472.54-77,984.94

Finding the Fourth Proportional to 141,646.08, 195,472.54 and 77,984.94

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Solution

The fourth proportional to 141,646.08, 195,472.54 and 77,984.94 is: 107,619.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,646.08 : 195,472.54 = 77,984.94 : x
  2. Step 2: Convert to fraction form
    141,646.08/195,472.54 = 77,984.94/x
  3. Step 3: Cross multiply
    141,646.08x = 195,472.54 × 77,984.94
  4. Step 4: Simplify right side
    141,646.08x = 15,243,914,303.55
  5. Step 5: Solve for x
    x = 15,243,914,303.55/141,646.08
  6. Step 6: Final answer
    x = 107,619.74

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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.