Home / 202,066.17-278,946.96-117,152.25

Finding the Fourth Proportional to 202,066.17, 278,946.96 and 117,152.25

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Solution

The fourth proportional to 202,066.17, 278,946.96 and 117,152.25 is: 161,725.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,066.17 : 278,946.96 = 117,152.25 : x
  2. Step 2: Convert to fraction form
    202,066.17/278,946.96 = 117,152.25/x
  3. Step 3: Cross multiply
    202,066.17x = 278,946.96 × 117,152.25
  4. Step 4: Simplify right side
    202,066.17x = 32,679,262,014.16
  5. Step 5: Solve for x
    x = 32,679,262,014.16/202,066.17
  6. Step 6: Final answer
    x = 161,725.55

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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.