Home / 141,357.32-195,101.47-83,985.60

Finding the Fourth Proportional to 141,357.32, 195,101.47 and 83,985.60

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Solution

The fourth proportional to 141,357.32, 195,101.47 and 83,985.60 is: 115,916.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,357.32 : 195,101.47 = 83,985.60 : x
  2. Step 2: Convert to fraction form
    141,357.32/195,101.47 = 83,985.60/x
  3. Step 3: Cross multiply
    141,357.32x = 195,101.47 × 83,985.60
  4. Step 4: Simplify right side
    141,357.32x = 16,385,712,736.86
  5. Step 5: Solve for x
    x = 16,385,712,736.86/141,357.32
  6. Step 6: Final answer
    x = 115,916.98

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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.