Home / 156,765.04-235,152.05-38,436.32

Finding the Fourth Proportional to 156,765.04, 235,152.05 and 38,436.32

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Solution

The fourth proportional to 156,765.04, 235,152.05 and 38,436.32 is: 57,655.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,765.04 : 235,152.05 = 38,436.32 : x
  2. Step 2: Convert to fraction form
    156,765.04/235,152.05 = 38,436.32/x
  3. Step 3: Cross multiply
    156,765.04x = 235,152.05 × 38,436.32
  4. Step 4: Simplify right side
    156,765.04x = 9,038,379,838.15
  5. Step 5: Solve for x
    x = 9,038,379,838.15/156,765.04
  6. Step 6: Final answer
    x = 57,655.58

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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.