Home / 314,435.10-471,652.65-156,971.10

Finding the Fourth Proportional to 314,435.10, 471,652.65 and 156,971.10

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Solution

The fourth proportional to 314,435.10, 471,652.65 and 156,971.10 is: 235,456.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,435.10 : 471,652.65 = 156,971.10 : x
  2. Step 2: Convert to fraction form
    314,435.10/471,652.65 = 156,971.10/x
  3. Step 3: Cross multiply
    314,435.10x = 471,652.65 × 156,971.10
  4. Step 4: Simplify right side
    314,435.10x = 74,035,835,288.42
  5. Step 5: Solve for x
    x = 74,035,835,288.42/314,435.10
  6. Step 6: Final answer
    x = 235,456.65

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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.