Home / 151,174.18-208,615.13-83,184.79

Finding the Fourth Proportional to 151,174.18, 208,615.13 and 83,184.79

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Solution

The fourth proportional to 151,174.18, 208,615.13 and 83,184.79 is: 114,792.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,174.18 : 208,615.13 = 83,184.79 : x
  2. Step 2: Convert to fraction form
    151,174.18/208,615.13 = 83,184.79/x
  3. Step 3: Cross multiply
    151,174.18x = 208,615.13 × 83,184.79
  4. Step 4: Simplify right side
    151,174.18x = 17,353,605,545.51
  5. Step 5: Solve for x
    x = 17,353,605,545.51/151,174.18
  6. Step 6: Final answer
    x = 114,792.13

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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.