Home / 156,788.10-235,182.15-112,829.40

Finding the Fourth Proportional to 156,788.10, 235,182.15 and 112,829.40

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Solution

The fourth proportional to 156,788.10, 235,182.15 and 112,829.40 is: 169,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,788.10 : 235,182.15 = 112,829.40 : x
  2. Step 2: Convert to fraction form
    156,788.10/235,182.15 = 112,829.40/x
  3. Step 3: Cross multiply
    156,788.10x = 235,182.15 × 112,829.40
  4. Step 4: Simplify right side
    156,788.10x = 26,535,460,875.21
  5. Step 5: Solve for x
    x = 26,535,460,875.21/156,788.10
  6. Step 6: Final answer
    x = 169,244.10

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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.