Home / 109,751.40-164,627.10-30,868.20

Finding the Fourth Proportional to 109,751.40, 164,627.10 and 30,868.20

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Solution

The fourth proportional to 109,751.40, 164,627.10 and 30,868.20 is: 46,302.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,751.40 : 164,627.10 = 30,868.20 : x
  2. Step 2: Convert to fraction form
    109,751.40/164,627.10 = 30,868.20/x
  3. Step 3: Cross multiply
    109,751.40x = 164,627.10 × 30,868.20
  4. Step 4: Simplify right side
    109,751.40x = 5,081,742,248.22
  5. Step 5: Solve for x
    x = 5,081,742,248.22/109,751.40
  6. Step 6: Final answer
    x = 46,302.30

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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.