Home / 156,908.15-235,362.23-57,071.60

Finding the Fourth Proportional to 156,908.15, 235,362.23 and 57,071.60

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Solution

The fourth proportional to 156,908.15, 235,362.23 and 57,071.60 is: 85,607.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,908.15 : 235,362.23 = 57,071.60 : x
  2. Step 2: Convert to fraction form
    156,908.15/235,362.23 = 57,071.60/x
  3. Step 3: Cross multiply
    156,908.15x = 235,362.23 × 57,071.60
  4. Step 4: Simplify right side
    156,908.15x = 13,432,499,045.67
  5. Step 5: Solve for x
    x = 13,432,499,045.67/156,908.15
  6. Step 6: Final answer
    x = 85,607.40

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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.