Home / 389,117.76-583,632.88-104,829.32

Finding the Fourth Proportional to 389,117.76, 583,632.88 and 104,829.32

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Solution

The fourth proportional to 389,117.76, 583,632.88 and 104,829.32 is: 157,232.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,117.76 : 583,632.88 = 104,829.32 : x
  2. Step 2: Convert to fraction form
    389,117.76/583,632.88 = 104,829.32/x
  3. Step 3: Cross multiply
    389,117.76x = 583,632.88 × 104,829.32
  4. Step 4: Simplify right side
    389,117.76x = 61,181,834,759.80
  5. Step 5: Solve for x
    x = 61,181,834,759.80/389,117.76
  6. Step 6: Final answer
    x = 157,232.18

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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.