Home / 356,981.04-535,521.60-104,280.03

Finding the Fourth Proportional to 356,981.04, 535,521.60 and 104,280.03

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Solution

The fourth proportional to 356,981.04, 535,521.60 and 104,280.03 is: 156,434.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,981.04 : 535,521.60 = 104,280.03 : x
  2. Step 2: Convert to fraction form
    356,981.04/535,521.60 = 104,280.03/x
  3. Step 3: Cross multiply
    356,981.04x = 535,521.60 × 104,280.03
  4. Step 4: Simplify right side
    356,981.04x = 55,844,208,513.65
  5. Step 5: Solve for x
    x = 55,844,208,513.65/356,981.04
  6. Step 6: Final answer
    x = 156,434.66

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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.