Home / 156,837.80-235,256.70-153,727.40

Finding the Fourth Proportional to 156,837.80, 235,256.70 and 153,727.40

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Solution

The fourth proportional to 156,837.80, 235,256.70 and 153,727.40 is: 230,591.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,837.80 : 235,256.70 = 153,727.40 : x
  2. Step 2: Convert to fraction form
    156,837.80/235,256.70 = 153,727.40/x
  3. Step 3: Cross multiply
    156,837.80x = 235,256.70 × 153,727.40
  4. Step 4: Simplify right side
    156,837.80x = 36,165,400,823.58
  5. Step 5: Solve for x
    x = 36,165,400,823.58/156,837.80
  6. Step 6: Final answer
    x = 230,591.10

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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.