Home / 202,985.49-280,088.77-116,927.66

Finding the Fourth Proportional to 202,985.49, 280,088.77 and 116,927.66

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Solution

The fourth proportional to 202,985.49, 280,088.77 and 116,927.66 is: 161,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,985.49 : 280,088.77 = 116,927.66 : x
  2. Step 2: Convert to fraction form
    202,985.49/280,088.77 = 116,927.66/x
  3. Step 3: Cross multiply
    202,985.49x = 280,088.77 × 116,927.66
  4. Step 4: Simplify right side
    202,985.49x = 32,750,124,066.44
  5. Step 5: Solve for x
    x = 32,750,124,066.44/202,985.49
  6. Step 6: Final answer
    x = 161,342.20

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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.