Home / 127,953.20-191,929.80-117,844.40

Finding the Fourth Proportional to 127,953.20, 191,929.80 and 117,844.40

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Solution

The fourth proportional to 127,953.20, 191,929.80 and 117,844.40 is: 176,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,953.20 : 191,929.80 = 117,844.40 : x
  2. Step 2: Convert to fraction form
    127,953.20/191,929.80 = 117,844.40/x
  3. Step 3: Cross multiply
    127,953.20x = 191,929.80 × 117,844.40
  4. Step 4: Simplify right side
    127,953.20x = 22,617,852,123.12
  5. Step 5: Solve for x
    x = 22,617,852,123.12/127,953.20
  6. Step 6: Final answer
    x = 176,766.60

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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.