Home / 144,019.08-198,714.51-83,554.68

Finding the Fourth Proportional to 144,019.08, 198,714.51 and 83,554.68

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Solution

The fourth proportional to 144,019.08, 198,714.51 and 83,554.68 is: 115,287.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,019.08 : 198,714.51 = 83,554.68 : x
  2. Step 2: Convert to fraction form
    144,019.08/198,714.51 = 83,554.68/x
  3. Step 3: Cross multiply
    144,019.08x = 198,714.51 × 83,554.68
  4. Step 4: Simplify right side
    144,019.08x = 16,603,527,294.41
  5. Step 5: Solve for x
    x = 16,603,527,294.41/144,019.08
  6. Step 6: Final answer
    x = 115,287.00

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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.