Home / 501,931.16-752,896.70-146,945.20

Finding the Fourth Proportional to 501,931.16, 752,896.70 and 146,945.20

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Solution

The fourth proportional to 501,931.16, 752,896.70 and 146,945.20 is: 220,417.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,931.16 : 752,896.70 = 146,945.20 : x
  2. Step 2: Convert to fraction form
    501,931.16/752,896.70 = 146,945.20/x
  3. Step 3: Cross multiply
    501,931.16x = 752,896.70 × 146,945.20
  4. Step 4: Simplify right side
    501,931.16x = 110,634,556,160.84
  5. Step 5: Solve for x
    x = 110,634,556,160.84/501,931.16
  6. Step 6: Final answer
    x = 220,417.79

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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.