Home / 208,572.91-287,828.88-117,946.67

Finding the Fourth Proportional to 208,572.91, 287,828.88 and 117,946.67

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Solution

The fourth proportional to 208,572.91, 287,828.88 and 117,946.67 is: 162,765.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,572.91 : 287,828.88 = 117,946.67 : x
  2. Step 2: Convert to fraction form
    208,572.91/287,828.88 = 117,946.67/x
  3. Step 3: Cross multiply
    208,572.91x = 287,828.88 × 117,946.67
  4. Step 4: Simplify right side
    208,572.91x = 33,948,457,925.83
  5. Step 5: Solve for x
    x = 33,948,457,925.83/208,572.91
  6. Step 6: Final answer
    x = 162,765.42

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1.5x scale

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.