Home / 141,333.64-195,036.36-77,671.36

Finding the Fourth Proportional to 141,333.64, 195,036.36 and 77,671.36

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Solution

The fourth proportional to 141,333.64, 195,036.36 and 77,671.36 is: 107,184.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,333.64 : 195,036.36 = 77,671.36 : x
  2. Step 2: Convert to fraction form
    141,333.64/195,036.36 = 77,671.36/x
  3. Step 3: Cross multiply
    141,333.64x = 195,036.36 × 77,671.36
  4. Step 4: Simplify right side
    141,333.64x = 15,148,739,330.65
  5. Step 5: Solve for x
    x = 15,148,739,330.65/141,333.64
  6. Step 6: Final answer
    x = 107,184.24

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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.