Home / 153,534.89-230,127.64-93,430.81

Finding the Fourth Proportional to 153,534.89, 230,127.64 and 93,430.81

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Solution

The fourth proportional to 153,534.89, 230,127.64 and 93,430.81 is: 140,039.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,534.89 : 230,127.64 = 93,430.81 : x
  2. Step 2: Convert to fraction form
    153,534.89/230,127.64 = 93,430.81/x
  3. Step 3: Cross multiply
    153,534.89x = 230,127.64 × 93,430.81
  4. Step 4: Simplify right side
    153,534.89x = 21,501,010,999.69
  5. Step 5: Solve for x
    x = 21,501,010,999.69/153,534.89
  6. Step 6: Final answer
    x = 140,039.90

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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.