Home / 209,681.64-289,351.44-114,182.64

Finding the Fourth Proportional to 209,681.64, 289,351.44 and 114,182.64

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Solution

The fourth proportional to 209,681.64, 289,351.44 and 114,182.64 is: 157,567.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,681.64 : 289,351.44 = 114,182.64 : x
  2. Step 2: Convert to fraction form
    209,681.64/289,351.44 = 114,182.64/x
  3. Step 3: Cross multiply
    209,681.64x = 289,351.44 × 114,182.64
  4. Step 4: Simplify right side
    209,681.64x = 33,038,911,307.00
  5. Step 5: Solve for x
    x = 33,038,911,307.00/209,681.64
  6. Step 6: Final answer
    x = 157,567.02

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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.