Home / 209,218.56-314,966.16-190,618.08

Finding the Fourth Proportional to 209,218.56, 314,966.16 and 190,618.08

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Solution

The fourth proportional to 209,218.56, 314,966.16 and 190,618.08 is: 286,964.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,218.56 : 314,966.16 = 190,618.08 : x
  2. Step 2: Convert to fraction form
    209,218.56/314,966.16 = 190,618.08/x
  3. Step 3: Cross multiply
    209,218.56x = 314,966.16 × 190,618.08
  4. Step 4: Simplify right side
    209,218.56x = 60,038,244,684.17
  5. Step 5: Solve for x
    x = 60,038,244,684.17/209,218.56
  6. Step 6: Final answer
    x = 286,964.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.