Home / 156,912.15-235,368.23-57,075.60

Finding the Fourth Proportional to 156,912.15, 235,368.23 and 57,075.60

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Solution

The fourth proportional to 156,912.15, 235,368.23 and 57,075.60 is: 85,613.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,912.15 : 235,368.23 = 57,075.60 : x
  2. Step 2: Convert to fraction form
    156,912.15/235,368.23 = 57,075.60/x
  3. Step 3: Cross multiply
    156,912.15x = 235,368.23 × 57,075.60
  4. Step 4: Simplify right side
    156,912.15x = 13,433,782,662.81
  5. Step 5: Solve for x
    x = 13,433,782,662.81/156,912.15
  6. Step 6: Final answer
    x = 85,613.40

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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.