Home / 127,282.94-176,031.04-111,339.70

Finding the Fourth Proportional to 127,282.94, 176,031.04 and 111,339.70

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Solution

The fourth proportional to 127,282.94, 176,031.04 and 111,339.70 is: 153,981.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,282.94 : 176,031.04 = 111,339.70 : x
  2. Step 2: Convert to fraction form
    127,282.94/176,031.04 = 111,339.70/x
  3. Step 3: Cross multiply
    127,282.94x = 176,031.04 × 111,339.70
  4. Step 4: Simplify right side
    127,282.94x = 19,599,243,184.29
  5. Step 5: Solve for x
    x = 19,599,243,184.29/127,282.94
  6. Step 6: Final answer
    x = 153,981.70

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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.