Home / 156,717.36-235,031.40-44,390.16

Finding the Fourth Proportional to 156,717.36, 235,031.40 and 44,390.16

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Solution

The fourth proportional to 156,717.36, 235,031.40 and 44,390.16 is: 66,572.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,717.36 : 235,031.40 = 44,390.16 : x
  2. Step 2: Convert to fraction form
    156,717.36/235,031.40 = 44,390.16/x
  3. Step 3: Cross multiply
    156,717.36x = 235,031.40 × 44,390.16
  4. Step 4: Simplify right side
    156,717.36x = 10,433,081,451.02
  5. Step 5: Solve for x
    x = 10,433,081,451.02/156,717.36
  6. Step 6: Final answer
    x = 66,572.60

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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.