Home / 189,752.32-261,851.08-109,192.28

Finding the Fourth Proportional to 189,752.32, 261,851.08 and 109,192.28

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Solution

The fourth proportional to 189,752.32, 261,851.08 and 109,192.28 is: 150,681.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,752.32 : 261,851.08 = 109,192.28 : x
  2. Step 2: Convert to fraction form
    189,752.32/261,851.08 = 109,192.28/x
  3. Step 3: Cross multiply
    189,752.32x = 261,851.08 × 109,192.28
  4. Step 4: Simplify right side
    189,752.32x = 28,592,116,445.66
  5. Step 5: Solve for x
    x = 28,592,116,445.66/189,752.32
  6. Step 6: Final answer
    x = 150,681.25

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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.