Home / 314,721.90-472,129.77-112,302.24

Finding the Fourth Proportional to 314,721.90, 472,129.77 and 112,302.24

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Solution

The fourth proportional to 314,721.90, 472,129.77 and 112,302.24 is: 168,470.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,721.90 : 472,129.77 = 112,302.24 : x
  2. Step 2: Convert to fraction form
    314,721.90/472,129.77 = 112,302.24/x
  3. Step 3: Cross multiply
    314,721.90x = 472,129.77 × 112,302.24
  4. Step 4: Simplify right side
    314,721.90x = 53,021,230,741.68
  5. Step 5: Solve for x
    x = 53,021,230,741.68/314,721.90
  6. Step 6: Final answer
    x = 168,470.10

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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.