Home / 152,364.25-210,192.89-98,666.57

Finding the Fourth Proportional to 152,364.25, 210,192.89 and 98,666.57

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Solution

The fourth proportional to 152,364.25, 210,192.89 and 98,666.57 is: 136,114.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,364.25 : 210,192.89 = 98,666.57 : x
  2. Step 2: Convert to fraction form
    152,364.25/210,192.89 = 98,666.57/x
  3. Step 3: Cross multiply
    152,364.25x = 210,192.89 × 98,666.57
  4. Step 4: Simplify right side
    152,364.25x = 20,739,011,494.69
  5. Step 5: Solve for x
    x = 20,739,011,494.69/152,364.25
  6. Step 6: Final answer
    x = 136,114.68

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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.