Home / 156,890.07-235,261.59-56,980.62

Finding the Fourth Proportional to 156,890.07, 235,261.59 and 56,980.62

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Solution

The fourth proportional to 156,890.07, 235,261.59 and 56,980.62 is: 85,444.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,890.07 : 235,261.59 = 56,980.62 : x
  2. Step 2: Convert to fraction form
    156,890.07/235,261.59 = 56,980.62/x
  3. Step 3: Cross multiply
    156,890.07x = 235,261.59 × 56,980.62
  4. Step 4: Simplify right side
    156,890.07x = 13,405,351,260.39
  5. Step 5: Solve for x
    x = 13,405,351,260.39/156,890.07
  6. Step 6: Final answer
    x = 85,444.23

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1.5x scale

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.