Home / 553,069.36-829,875.08-198,110.80

Finding the Fourth Proportional to 553,069.36, 829,875.08 and 198,110.80

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Solution

The fourth proportional to 553,069.36, 829,875.08 and 198,110.80 is: 297,263.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,069.36 : 829,875.08 = 198,110.80 : x
  2. Step 2: Convert to fraction form
    553,069.36/829,875.08 = 198,110.80/x
  3. Step 3: Cross multiply
    553,069.36x = 829,875.08 × 198,110.80
  4. Step 4: Simplify right side
    553,069.36x = 164,407,215,998.86
  5. Step 5: Solve for x
    x = 164,407,215,998.86/553,069.36
  6. Step 6: Final answer
    x = 297,263.29

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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.