Home / 314,972.40-472,458.60-157,508.40

Finding the Fourth Proportional to 314,972.40, 472,458.60 and 157,508.40

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Solution

The fourth proportional to 314,972.40, 472,458.60 and 157,508.40 is: 236,262.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,972.40 : 472,458.60 = 157,508.40 : x
  2. Step 2: Convert to fraction form
    314,972.40/472,458.60 = 157,508.40/x
  3. Step 3: Cross multiply
    314,972.40x = 472,458.60 × 157,508.40
  4. Step 4: Simplify right side
    314,972.40x = 74,416,198,152.24
  5. Step 5: Solve for x
    x = 74,416,198,152.24/314,972.40
  6. Step 6: Final answer
    x = 236,262.60

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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.