Home / 156,985.60-235,445.46-51,779.92

Finding the Fourth Proportional to 156,985.60, 235,445.46 and 51,779.92

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Solution

The fourth proportional to 156,985.60, 235,445.46 and 51,779.92 is: 77,659.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,985.60 : 235,445.46 = 51,779.92 : x
  2. Step 2: Convert to fraction form
    156,985.60/235,445.46 = 51,779.92/x
  3. Step 3: Cross multiply
    156,985.60x = 235,445.46 × 51,779.92
  4. Step 4: Simplify right side
    156,985.60x = 12,191,347,083.16
  5. Step 5: Solve for x
    x = 12,191,347,083.16/156,985.60
  6. Step 6: Final answer
    x = 77,659.02

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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.