Home / 156,667.40-235,001.10-125,563.40

Finding the Fourth Proportional to 156,667.40, 235,001.10 and 125,563.40

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Solution

The fourth proportional to 156,667.40, 235,001.10 and 125,563.40 is: 188,345.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,667.40 : 235,001.10 = 125,563.40 : x
  2. Step 2: Convert to fraction form
    156,667.40/235,001.10 = 125,563.40/x
  3. Step 3: Cross multiply
    156,667.40x = 235,001.10 × 125,563.40
  4. Step 4: Simplify right side
    156,667.40x = 29,507,537,119.74
  5. Step 5: Solve for x
    x = 29,507,537,119.74/156,667.40
  6. Step 6: Final answer
    x = 188,345.10

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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.