Home / 213,928.08-295,209.51-117,113.40

Finding the Fourth Proportional to 213,928.08, 295,209.51 and 117,113.40

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Solution

The fourth proportional to 213,928.08, 295,209.51 and 117,113.40 is: 161,610.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,928.08 : 295,209.51 = 117,113.40 : x
  2. Step 2: Convert to fraction form
    213,928.08/295,209.51 = 117,113.40/x
  3. Step 3: Cross multiply
    213,928.08x = 295,209.51 × 117,113.40
  4. Step 4: Simplify right side
    213,928.08x = 34,572,989,428.43
  5. Step 5: Solve for x
    x = 34,572,989,428.43/213,928.08
  6. Step 6: Final answer
    x = 161,610.34

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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.