Home / 133,117.16-199,707.53-43,159.91

Finding the Fourth Proportional to 133,117.16, 199,707.53 and 43,159.91

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Solution

The fourth proportional to 133,117.16, 199,707.53 and 43,159.91 is: 64,750.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,117.16 : 199,707.53 = 43,159.91 : x
  2. Step 2: Convert to fraction form
    133,117.16/199,707.53 = 43,159.91/x
  3. Step 3: Cross multiply
    133,117.16x = 199,707.53 × 43,159.91
  4. Step 4: Simplify right side
    133,117.16x = 8,619,357,806.79
  5. Step 5: Solve for x
    x = 8,619,357,806.79/133,117.16
  6. Step 6: Final answer
    x = 64,750.17

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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.