Home / 186,779.22-257,756.67-101,897.70

Finding the Fourth Proportional to 186,779.22, 257,756.67 and 101,897.70

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Solution

The fourth proportional to 186,779.22, 257,756.67 and 101,897.70 is: 140,619.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,779.22 : 257,756.67 = 101,897.70 : x
  2. Step 2: Convert to fraction form
    186,779.22/257,756.67 = 101,897.70/x
  3. Step 3: Cross multiply
    186,779.22x = 257,756.67 × 101,897.70
  4. Step 4: Simplify right side
    186,779.22x = 26,264,811,832.66
  5. Step 5: Solve for x
    x = 26,264,811,832.66/186,779.22
  6. Step 6: Final answer
    x = 140,619.56

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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.