Home / 127,752.58-191,798.43-109,152.15

Finding the Fourth Proportional to 127,752.58, 191,798.43 and 109,152.15

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Solution

The fourth proportional to 127,752.58, 191,798.43 and 109,152.15 is: 163,873.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,752.58 : 191,798.43 = 109,152.15 : x
  2. Step 2: Convert to fraction form
    127,752.58/191,798.43 = 109,152.15/x
  3. Step 3: Cross multiply
    127,752.58x = 191,798.43 × 109,152.15
  4. Step 4: Simplify right side
    127,752.58x = 20,935,211,001.12
  5. Step 5: Solve for x
    x = 20,935,211,001.12/127,752.58
  6. Step 6: Final answer
    x = 163,873.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.