Home / 127,465.06-191,186.53-59,981.08

Finding the Fourth Proportional to 127,465.06, 191,186.53 and 59,981.08

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Solution

The fourth proportional to 127,465.06, 191,186.53 and 59,981.08 is: 89,966.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,465.06 : 191,186.53 = 59,981.08 : x
  2. Step 2: Convert to fraction form
    127,465.06/191,186.53 = 59,981.08/x
  3. Step 3: Cross multiply
    127,465.06x = 191,186.53 × 59,981.08
  4. Step 4: Simplify right side
    127,465.06x = 11,467,574,550.85
  5. Step 5: Solve for x
    x = 11,467,574,550.85/127,465.06
  6. Step 6: Final answer
    x = 89,966.42

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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.