Home / 156,735.10-235,102.65-112,776.40

Finding the Fourth Proportional to 156,735.10, 235,102.65 and 112,776.40

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Solution

The fourth proportional to 156,735.10, 235,102.65 and 112,776.40 is: 169,164.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,735.10 : 235,102.65 = 112,776.40 : x
  2. Step 2: Convert to fraction form
    156,735.10/235,102.65 = 112,776.40/x
  3. Step 3: Cross multiply
    156,735.10x = 235,102.65 × 112,776.40
  4. Step 4: Simplify right side
    156,735.10x = 26,514,030,497.46
  5. Step 5: Solve for x
    x = 26,514,030,497.46/156,735.10
  6. Step 6: Final answer
    x = 169,164.60

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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.