Home / 127,950.23-191,695.51-75,331.01

Finding the Fourth Proportional to 127,950.23, 191,695.51 and 75,331.01

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Solution

The fourth proportional to 127,950.23, 191,695.51 and 75,331.01 is: 112,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,950.23 : 191,695.51 = 75,331.01 : x
  2. Step 2: Convert to fraction form
    127,950.23/191,695.51 = 75,331.01/x
  3. Step 3: Cross multiply
    127,950.23x = 191,695.51 × 75,331.01
  4. Step 4: Simplify right side
    127,950.23x = 14,440,616,954.17
  5. Step 5: Solve for x
    x = 14,440,616,954.17/127,950.23
  6. Step 6: Final answer
    x = 112,861.20

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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.