Home / 355,526.36-533,437.77-155,990.16

Finding the Fourth Proportional to 355,526.36, 533,437.77 and 155,990.16

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Solution

The fourth proportional to 355,526.36, 533,437.77 and 155,990.16 is: 234,050.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,526.36 : 533,437.77 = 155,990.16 : x
  2. Step 2: Convert to fraction form
    355,526.36/533,437.77 = 155,990.16/x
  3. Step 3: Cross multiply
    355,526.36x = 533,437.77 × 155,990.16
  4. Step 4: Simplify right side
    355,526.36x = 83,211,043,092.34
  5. Step 5: Solve for x
    x = 83,211,043,092.34/355,526.36
  6. Step 6: Final answer
    x = 234,050.28

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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.