Home / 163,779.92-226,021.32-89,193.40

Finding the Fourth Proportional to 163,779.92, 226,021.32 and 89,193.40

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Solution

The fourth proportional to 163,779.92, 226,021.32 and 89,193.40 is: 123,089.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,779.92 : 226,021.32 = 89,193.40 : x
  2. Step 2: Convert to fraction form
    163,779.92/226,021.32 = 89,193.40/x
  3. Step 3: Cross multiply
    163,779.92x = 226,021.32 × 89,193.40
  4. Step 4: Simplify right side
    163,779.92x = 20,159,610,191.96
  5. Step 5: Solve for x
    x = 20,159,610,191.96/163,779.92
  6. Step 6: Final answer
    x = 123,089.63

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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.