Home / 151,746.08-209,409.68-83,763.12

Finding the Fourth Proportional to 151,746.08, 209,409.68 and 83,763.12

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Solution

The fourth proportional to 151,746.08, 209,409.68 and 83,763.12 is: 115,593.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,746.08 : 209,409.68 = 83,763.12 : x
  2. Step 2: Convert to fraction form
    151,746.08/209,409.68 = 83,763.12/x
  3. Step 3: Cross multiply
    151,746.08x = 209,409.68 × 83,763.12
  4. Step 4: Simplify right side
    151,746.08x = 17,540,808,155.00
  5. Step 5: Solve for x
    x = 17,540,808,155.00/151,746.08
  6. Step 6: Final answer
    x = 115,593.16

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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.