Home / 208,848.32-288,210.88-113,355.04

Finding the Fourth Proportional to 208,848.32, 288,210.88 and 113,355.04

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Solution

The fourth proportional to 208,848.32, 288,210.88 and 113,355.04 is: 156,430.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,848.32 : 288,210.88 = 113,355.04 : x
  2. Step 2: Convert to fraction form
    208,848.32/288,210.88 = 113,355.04/x
  3. Step 3: Cross multiply
    208,848.32x = 288,210.88 × 113,355.04
  4. Step 4: Simplify right side
    208,848.32x = 32,670,155,830.84
  5. Step 5: Solve for x
    x = 32,670,155,830.84/208,848.32
  6. Step 6: Final answer
    x = 156,430.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.