Home / 156,975.24-235,147.23-72,616.98

Finding the Fourth Proportional to 156,975.24, 235,147.23 and 72,616.98

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Solution

The fourth proportional to 156,975.24, 235,147.23 and 72,616.98 is: 108,779.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,975.24 : 235,147.23 = 72,616.98 : x
  2. Step 2: Convert to fraction form
    156,975.24/235,147.23 = 72,616.98/x
  3. Step 3: Cross multiply
    156,975.24x = 235,147.23 × 72,616.98
  4. Step 4: Simplify right side
    156,975.24x = 17,075,681,697.97
  5. Step 5: Solve for x
    x = 17,075,681,697.97/156,975.24
  6. Step 6: Final answer
    x = 108,779.46

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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.