Home / 152,457.80-210,416.33-98,898.57

Finding the Fourth Proportional to 152,457.80, 210,416.33 and 98,898.57

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Solution

The fourth proportional to 152,457.80, 210,416.33 and 98,898.57 is: 136,495.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,457.80 : 210,416.33 = 98,898.57 : x
  2. Step 2: Convert to fraction form
    152,457.80/210,416.33 = 98,898.57/x
  3. Step 3: Cross multiply
    152,457.80x = 210,416.33 × 98,898.57
  4. Step 4: Simplify right side
    152,457.80x = 20,809,874,388.89
  5. Step 5: Solve for x
    x = 20,809,874,388.89/152,457.80
  6. Step 6: Final answer
    x = 136,495.97

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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.