Home / 141,828.15-212,779.13-53,088.51

Finding the Fourth Proportional to 141,828.15, 212,779.13 and 53,088.51

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Solution

The fourth proportional to 141,828.15, 212,779.13 and 53,088.51 is: 79,646.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,828.15 : 212,779.13 = 53,088.51 : x
  2. Step 2: Convert to fraction form
    141,828.15/212,779.13 = 53,088.51/x
  3. Step 3: Cross multiply
    141,828.15x = 212,779.13 × 53,088.51
  4. Step 4: Simplify right side
    141,828.15x = 11,296,126,970.80
  5. Step 5: Solve for x
    x = 11,296,126,970.80/141,828.15
  6. Step 6: Final answer
    x = 79,646.58

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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.