Home / 127,860.34-176,364.93-84,838.90

Finding the Fourth Proportional to 127,860.34, 176,364.93 and 84,838.90

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Solution

The fourth proportional to 127,860.34, 176,364.93 and 84,838.90 is: 117,023.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,860.34 : 176,364.93 = 84,838.90 : x
  2. Step 2: Convert to fraction form
    127,860.34/176,364.93 = 84,838.90/x
  3. Step 3: Cross multiply
    127,860.34x = 176,364.93 × 84,838.90
  4. Step 4: Simplify right side
    127,860.34x = 14,962,606,659.78
  5. Step 5: Solve for x
    x = 14,962,606,659.78/127,860.34
  6. Step 6: Final answer
    x = 117,023.05

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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.