Home / 147,276.50-220,779.77-57,379.86

Finding the Fourth Proportional to 147,276.50, 220,779.77 and 57,379.86

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Solution

The fourth proportional to 147,276.50, 220,779.77 and 57,379.86 is: 86,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,276.50 : 220,779.77 = 57,379.86 : x
  2. Step 2: Convert to fraction form
    147,276.50/220,779.77 = 57,379.86/x
  3. Step 3: Cross multiply
    147,276.50x = 220,779.77 × 57,379.86
  4. Step 4: Simplify right side
    147,276.50x = 12,668,312,006.53
  5. Step 5: Solve for x
    x = 12,668,312,006.53/147,276.50
  6. Step 6: Final answer
    x = 86,017.20

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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.