Home / 156,985.60-235,492.80-51,804.80

Finding the Fourth Proportional to 156,985.60, 235,492.80 and 51,804.80

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Solution

The fourth proportional to 156,985.60, 235,492.80 and 51,804.80 is: 77,711.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,985.60 : 235,492.80 = 51,804.80 : x
  2. Step 2: Convert to fraction form
    156,985.60/235,492.80 = 51,804.80/x
  3. Step 3: Cross multiply
    156,985.60x = 235,492.80 × 51,804.80
  4. Step 4: Simplify right side
    156,985.60x = 12,199,657,405.44
  5. Step 5: Solve for x
    x = 12,199,657,405.44/156,985.60
  6. Step 6: Final answer
    x = 77,711.95

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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.