Home / 109,210.13-150,714.83-61,466.57

Finding the Fourth Proportional to 109,210.13, 150,714.83 and 61,466.57

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Solution

The fourth proportional to 109,210.13, 150,714.83 and 61,466.57 is: 84,826.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,210.13 : 150,714.83 = 61,466.57 : x
  2. Step 2: Convert to fraction form
    109,210.13/150,714.83 = 61,466.57/x
  3. Step 3: Cross multiply
    109,210.13x = 150,714.83 × 61,466.57
  4. Step 4: Simplify right side
    109,210.13x = 9,263,923,648.23
  5. Step 5: Solve for x
    x = 9,263,923,648.23/109,210.13
  6. Step 6: Final answer
    x = 84,826.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.