Home / 314,439.10-471,658.65-156,975.10

Finding the Fourth Proportional to 314,439.10, 471,658.65 and 156,975.10

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Solution

The fourth proportional to 314,439.10, 471,658.65 and 156,975.10 is: 235,462.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,439.10 : 471,658.65 = 156,975.10 : x
  2. Step 2: Convert to fraction form
    314,439.10/471,658.65 = 156,975.10/x
  3. Step 3: Cross multiply
    314,439.10x = 471,658.65 × 156,975.10
  4. Step 4: Simplify right side
    314,439.10x = 74,038,663,749.62
  5. Step 5: Solve for x
    x = 74,038,663,749.62/314,439.10
  6. Step 6: Final answer
    x = 235,462.65

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1.5x scale

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.