Home / 127,622.64-191,426.98-38,868.72

Finding the Fourth Proportional to 127,622.64, 191,426.98 and 38,868.72

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Solution

The fourth proportional to 127,622.64, 191,426.98 and 38,868.72 is: 58,300.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,622.64 : 191,426.98 = 38,868.72 : x
  2. Step 2: Convert to fraction form
    127,622.64/191,426.98 = 38,868.72/x
  3. Step 3: Cross multiply
    127,622.64x = 191,426.98 × 38,868.72
  4. Step 4: Simplify right side
    127,622.64x = 7,440,521,686.07
  5. Step 5: Solve for x
    x = 7,440,521,686.07/127,622.64
  6. Step 6: Final answer
    x = 58,300.95

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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.