Home / 141,939.34-212,904.36-57,674.58

Finding the Fourth Proportional to 141,939.34, 212,904.36 and 57,674.58

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Solution

The fourth proportional to 141,939.34, 212,904.36 and 57,674.58 is: 86,509.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,939.34 : 212,904.36 = 57,674.58 : x
  2. Step 2: Convert to fraction form
    141,939.34/212,904.36 = 57,674.58/x
  3. Step 3: Cross multiply
    141,939.34x = 212,904.36 × 57,674.58
  4. Step 4: Simplify right side
    141,939.34x = 12,279,169,543.17
  5. Step 5: Solve for x
    x = 12,279,169,543.17/141,939.34
  6. Step 6: Final answer
    x = 86,509.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.